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Serial⇔NUMBER (2015). L-R: GuY., Jin, tao, PAPA

SERIAL⇔NUMBER (シリアル) is currently a four member Japanese pop-rock band. They are an oshare-kei band signed with the independent label Faze Rush Records. Up until late 2009/10, each member had a designated color that was involved in costumes, promotional images, and jacket covers. Gothic†NUMBER is their alter-ego project.

On October 20th, a week before the release of their fourth studio album Kanjou Bunretsu, it was announced that Sasaki Jin would be the only member of the band, as the remaining members will be leaving after their December 27th live at Takadanobaba AREA.[1] After the live, it was announced that Sasaki planned to continue the band.[2] Soon after, a member audition took place, which ended in August of 2011, with four new members joining.[3]


Current Members

Former Members



Serial⇔NUMBER promoting "Hime Koi Number" (2005)

Serial⇔NUMBER was formed in April of 2005 with the line-up of: vocalist Sasaki Jin (ex-Inazuma), guitarist Shiyuu (ex-Malefice Dia), guitarist Kazune (ex-CureBLAST), and bassist Tama (ex-Silverhythm). They had a drummer, Kai (ex-SHEROCK), but he was only a live support drummer until he became an official member on March 5th, 2006. In June, the band had started activities in the Tokyo Metropolitan Area. Their first live was at Takadanobaba AREA on July 24th, and during this their first demo "Hime Koi Number" was distributed.

Their next activity was a string of 10 lives, all at both Takadanobaba AREA and Shinjuku club HOLIDAY, starting on August 4th and ending on October 12th. The live at Takadanobaba AREA on September 6th was a part of a h'evn sponsored event. The next three lives is when they distributed their second demo "Sarabai☆", which was released in MD format. The lives were on three consecutive days, starting on October 22nd, and all were at Shinjuku club HOLIDAY.

Before their debut single release, the band performed four lives: the first on November 5th at Shinjuku club HOLIDAY, the second on the 9th at Takadanobaba AREA, the third on the 22nd at Ikebukuro CYBER, and the last on December 2nd also at Takadanobaba AREA. Serial⇔NUMBER's first single "Aoi Kiseki" was released on December 18th. They also played a live that day at Takadanobaba AREA and sold the premium edition of the single there. The end of the year was only two lives both at Shinjuku club HOLIDAY, on December 28th and 31st.

2006 began with a live on January 8th at Takadanobaba AREA. The rest of January were three more lives: two at Shibuya O-WEST on the 12th and 24th, with the second one being a part of a SPEED DISK records presents "Shinrabanshow Kakuritsu Hendou" event, and the last live at Takadanobaba AREA on the 22nd. February was also only five lives and events, beginning with a live on the 3rd at Shinjuku RUIDO K4. Two events took place on the 8th and the 13th; number one was another h'evn sponsored event at Takadanobaba AREA and number two was a S'CUBE sponsored event at Shinjuku HOLIDAY. The third live in Febraury, on the 24th, was at Shinjuku HOLIDAY. This was an important live as they created their alter-ego band Gothic†NUMBER then. This side project has dark gothic looks and a harder rock sound instead of colorful looks and a pop-rock sound. The last of this month was a live at Takadanobaba AREA on the 28th.

March started with two consecutive lives, on the 3rd and 4th. The first was a normal live at Takadanobaba AREA, and the second was a LOOP ASH records presents "LOOP★Fresh 2006" event at Shibuya O-WEST. It was at this event that their live support drummer Kai became an official member of the band. On the 19th they held a free small one-man concert at Harajuku RUIDO K4 titled "Hai Sai! Hai Sai! Chaabura Matsuri!! ~Tama Otanjoubi 1-nichi Maeyade! no Maki~". This one-man was meant to be a birthday celebration live for their bassist Tama, who was also leaving the band that day.

Serial⇔NUMBER promoting "Hibiscus Mile♥Home" (2006)

The band started their first tour Road to Shiisaa☆, it is a country-wide spring tour that started on March 24th. Its first leg, called "Tokyo Illuminescence" was a three date gig. It happened on March 24th at Shinjuku HOLIDAY, April 1st at Umeda HOLIDAY, and April 2nd at Nagoya HOLIDAY. They also participated in the S'CUBE "SCUBBER DIVE Shibuya no Hen ~Haru Ichiban~" event on March 29th at Shibuya O-WEST. Two more events they took part in are a Siva CD release event "Prediction from a prophet: Code 1°C" on April 9th at Shinjuku HOLIDAY, and the LOOP ASH and Kamikaze Boyz presents event "Girlz Revolution" on April 11th at Shibuya O-WEST. The rest of April was two lives; one was on the 22nd at Nagoya HOLIDAY and the second at 23rd at Esaka MUSE, and another "SPEED DISK PRESENTS Shinrabanshow Kakuritsu Hendou" event on the 30th at Takadanobaba AREA.

As a part of their tour, they joined in the h'evn no Omatsuri☆Tenmade Tobou!! tour during May. That tour started on the 4th at Osaka MUSE and ended on the 17th at Shibuya O-EAST, hitting six stops. On May 10th Serial⇔NUMBER released their second single "Hibiscus Mile♥Home". This is the band's first release with label backing, having isgned with indies label SPEED DISK sometime before. They also played a live that day at Hiroshima NAMIKI JUNCTION and sold the premium edition of the single there. It reached #142 on the major Oricon chart, where it charted for a week. The next event participation, titled "Sorapo to Diyon no Daibouken" was a Kazoku sponsored two date gig. It happened on May 13th at Umeda HOLIDAY and May 14th at Nagoya HOLIDAY.

Three live preceeded the tour final. The first was at Shibuya O-WEST on May 25th, the second was at Umeda HOLIDAY on the 28th, and the last was at Nagoya HOLIDAY on the 29th. The Road to Shiisaa☆ tour final, called "Shiisaa ni Keireix3!? (Hayakuchi)", was held at Shibuya O-CREST on June 4th. This was their first full one-man concert live. The final led into three lives and an event taking up the rest of June.

June's lives/events began on the 17th at Takadanobaba AREA with a live. The other activity was: another live at Shinjuku HOLIDAY on the 18th, the "SPEED DISK PRESENTS ~Shinrabanshow" event at Shibuya O-EAST on the 23rd, and another live at Takadanobaba AREA on the 29th. July was only the SPEED DISK PRESENTS Shinrabanshow TOUR'06 #2 tour and a release. The first three dates of the tour was: the 11th at Shibuya O-EAST, the 18th at Sendai JUNKBOX, and the 20th at Sapporo KRAPS HALL. The release was the band's third single "Orion to Hanabi to Tabidatsu Doushiguwaa~tachi e", which was released on the 12th. They also sold the premium edition of the single in future lives. It reached #136 on the major Oricon chart, where it charted for a week.

August began on the 2nd with the S'CUBE produced "SCUBBER DIVE ~Shibuya ga Taihen~" with many other bands. The last four dates of the SPEED DISK PRESENTS Shinrabanshow TOUR'06 #2 tour was: August 14th at Hakata DRUMS LOGOS, the 16th at Hiroshima CLUB QUATTRO, the 17th at Osaka BIGCAT, and the 21st at Nagoya E.L.L. On August 16th, Serial⇔NUMBER's debut mini-album Hibiscus Mile♥DAY (Setsujitsu) ~Sokkan Ongen Shuu +1~ was released. During the tour on August 20th, the band found a new bassist with Hibiki (ex-Retina).

September 10th was the one-man concert live titled "Oikaze vs Mukaikaze (Imishin!?)" at Takadanobaba AREA. It was during this live that "Yume ni Utsuru Hitomi" was distributed. That concert started a string of nine lives, spanning from September 18th at Takadanobaba AREA to October 31st also at Takadanobaba AREA. November 1st started a four consecutive month single release plan with "Shiyuu no Maki" (fourth single). Each release is a featuring single, meaning each one has a featuring member so its music is written by them. Sasaki Jin doesn't have a single as he written all the lyrics for the singles.

The rest of November was four lives: the first was on the 2nd at Osaka FANJ-twice, the second was on the 3rd at Nagoya E.L.L, and the third was on the 13th at Takadanobaba AREA. The last November live was a small one-man concert called "Sensei, Onegaishimasu (>_<) (Sokken)" on the 16th at Shibuya O-CREST. The second featuring single in the relase plan, "Kazune no Maki" (fifth single), was released on December 6th. December was filled with five more lives, beginning on the 15th at HOLIDAY SHINJUKU and concluding on the 31st at Yokohama Akarenga 1-goukan 3F Hall and another one at Takadanobaba AREA.

Serial⇔NUMBER promoting Four Member Featuring Singles (2006-07)


On January 24th Serial⇔NUMBER held their first sponsored event, the two consecutive month "Ichariba Choodee Vol. Tiichi" event at Shibuya O-WEST. The 31st saw the release of the third featuring single "Hibiki no Maki" (sixth single). This reached #198 on the major Oricon chart, where it charted for a week. February was a bit more active for the band. It started on the 2nd for the "h'evn no Omatsuri★Tenmade Tobou!! ~Nen'ake no Goaisatsu Hen~" event at Takadanobaba AREA. For two consecutive days starting on the 7th, they took part in two of the "E.L.L & SPEED DISK PRESENTS ~Shinrabanshow in MID SIDE 4days~" lives. Since is was presented by E.L.L the two lives took place at Nagoya E.L.L.

On with 11th along with Irokui., they took part in an Irokui. sponsored event titled "Jikochuu Osaka -Mecha Usagi wo Sagase-" at HOLIDAY OSAKA. The second of their own sponsored event, titled "Ichariba Choodee Vol. Taachi", was held on the 21st at Shibuya O-WEST. Before the next release they took part in two lives of the h'evn no Omatsuri★Tenmade Tobou!! ~TouNaKa TOUR Bangai Hen~ tour It happened on the 27th at Nagoya HEARTLAND and on the 28th at Osaka SHANGRILA. The last of the member featuring singles, "Kai no Maki" (seventh single), was released on the 28th.

Starting on March 12th the band along with fellow SPEED DISK bands, participated in the Shinrabanshow TOUR '07 tour. This began at Takadanobaba AREA and ended on April 24th at Shibuya CLUB QUATTRO, altogether hitting nine stops. In the tour on March 29th they played a live at Shibuya CLUB QUATTRO. During this live they sold the CD+PB edition of their debut album Human Drama. The other two editions, the limited CD+DVD edition and the regular CD only edition, were released on April 4th. This would also be the last release of theirs on SPEED DISK. It reached #300 on the major Oricon chart, where it charted for a week.

The lone activity in April and the rest in May were six presents and sponsored events. They began on April 6th at Takadanobaba AREA for the "Visunavi Presents★Mixed Candies Vol.5★~Haru no Sakura Ame♪~" event, and ended on May 21st at Shibuya O-WEST for the Ruvie sponsored "Kyousou no Chinmoku" event. May concluded with Serial⇔NUMBER's second anniversary live called "Hai Sai! Hai Sai! Chaabura Matsuri!! Vol. Taachi ~Orecchi! Kazunecchi! Hapibacchi☆no Maki~" on the 25th at Shibuya CHELSEA HOTEL

June and July was filled with a lives and touring, starting with the "AREA 10th ANNIVERSARY" live event on June 3rd at Zepp Tokyo. The three date Jully sponsored lives came next: first one at Sendai MACANA on the 6th, second one at Niigata JUNK BOX mini on the 7th, and the last one at Sapporo COLONY on the 10th. Another three date tour, titled h'evn no Omatsuri☆Tenmade Tobou!! ~TouNaKa TOUR~, started on the 15th at OSAKA MUSE and ended on the 19th at Shibuya O-WEST.

Serial⇔NUMBER started their second anniversary one-man concert tour Have ni Kamareta Sachihoko to Takoyaki!? on July 14th. This began at Nagoya E.L.L and ended at Shibuya O-WEST on the 24th, hitting four stops. Their eighth single "GO! YA! NUMBER ~Nuchigusui~" was released on August 1st. A different single called "Fresh" was supposed to be released on this date under their future label TOPLINE RECORDS, but it was cancelled. "GO! YA! NUMBER" was released through Bound Records Yokohama. It reached #149 on the major Oricon chart, where it charted for a week. The next day the band once again participated in the S'CUBE sponsored event "SCUBBER DIVE ~Shibuya ga Taihen~".

In August and September the band took part in two separate tours. The first was called Live chain #2007 "noRain noRainbow"; it began on August 4th at HEAVEN'S ROCK Saitama Shintoshin VJ-3 and concluded on the 20th at Shibuya O-EAST, altogether hitting six stops. The second tour was titled h'evn no Omatsuri☆Tenamde Tobou!! ~Soukan 5-shuunen Kinen Zenkoku TOUR~ Daiichidan; it started on September 2nd at Sendai HOOK and ended on the 18th at LIQUID ROOM ebisu, hitting six stops. October 10th they played in one out of events of "Shock Edge the Live! 2DAYS" at Takadanobaba AREA.

On October 17th their ninth single "Attention Please" was released. It was the first to be under TOPLINE RECORDS, and in a two consecutive month release plan. Both of those releases center around the theme of aviation and flying. This reached #6 on the indies Oricon chart, and #83 on the major chart where it charted for a week. Serial⇔NUMBER's national tour called Serial Koukuu SAL ~Attention, please!~ began on November 7th. This started at Sapporo KRAPS HALL and concluded on December 8th at Tokyo Kinema Club, hitting 12 stops altogether. The tour final was filmed and released later as the live DVD "Serial Koukuu SAL ~Attention, please!~ 2007/12/8 Tokyo Kinema Club" on March 20th, 2008. On November 14th during the tour, they released the second part in the release plan, their second mini-album SAL ~Kuuchuu Sanpo~. It reached #16 on the indies Oricon chart, and #177 on the major chart where it charted for a week. The end of this year was met with two events, one on December 20th at Takadanobaba AREA and the other on the 22nd at Shibuya O-EAST.

Serial⇔NUMBER promoting "Aira Shiisaa" & self-titled album (2008)

2008 began with four lives, spanning from January 20th at LIQUID ROOM ebisu to February 18th at Nagoya E.L.L. All those live preceeded the release of their 10th single "COLOR STYLE" and their first PV DVD "Clip Shuu ~GO! YA! NUMBER / Attention Please / TOKYO NOISE~". In development "COLOR STYLE" was tentatively titled "Adios! El Amigo", which is the single's second track. The single reached #2 on the indies Oricon chart, and #59 on the major chart where it charted for two weeks. The DVD reached #160 on the Oricon chart, where it charted for two weeks.

Along with DuelJewel and Dolly Serial⇔NUMBER joined together for the two dates of the "Triple Circuit" events. They were on March 26th at HEAVEN'S ROCK Kumagai VJ-1 and the 29th at HEAVEN'S ROCK Utsunomiya VJ-2. Those lives led into their spring tour called Adios! El Amigo. It started on April 3rd at Nagoya ell.FITS ALL and ended on the 10th at Tokyo LIQUID ROOM ebisu, hitting four stops. The last activity in April was the release of their 11th single "Aira Shiisaa". It is their first release to be produced by Nakajima Takui. This reached #3 on the indies Oricon chart, and #66 on the major chart where it charted for two weeks.

The band then participated in two two date event tours. The first one was the "KING OF BATTLE ROYAL" events: May 29th at Sendai JUNKBOX and June 2nd at Shibuya O-EAST. The second and last was another "h'evn no Omatsuri☆Tenamde Tobou!!" events: June 4th at OSAKA MUSE and June 6th at Nagoya BOTTOM LINE. A live on June 18th at Shibuya O-EAST preceeded the release of their second album on July 9th, the self-titled Serial⇔NUMBER. It reached #12 on the indies Oricon chart, and #138 on the major chart where it charted for a week. During the next tour they took part in, the band performed in the two date "Triple Circuit II" events. The first one was at Harajuku ASTRO HALL on July 22nd, while the second one was at HEAVEN'S ROCK Kumagai VJ-1 on the 24th.

The aforementioned tour, called stylish wave '08 MAX, spanned July and August. This began on July 12th at Takadanobaba AREA and concluded on August 3rd at Osaka BIGCAT, hitting nine stops altogether. That tour's final was held on August 11th at Askasaka BLTIZ. Serial⇔NUMBER then had two tours, one of them was theirs and that one led into another, that one that they only participated in. Their tour, titled Music Chanpuru~2008 Summer "Aira Shiisaa", started on August 21st at Sendai MACANA and ended on September 7th at Tokyo LIQUID ROOM ebisu. The next tour being another h'evn no Omatsuri★Tenmade Tobou!! event tour, started on September 16th. That start was at OSAKA MUSE, and the tour ended on October 2nd at LIQUID ROOM ebisu, altogether hitting seven stops.

Before their next release the band performed in the "stylish wave MAX '08 EXTRA vol.2" event live on October 11th at Takadanobaba AREA. The releases in question, their 12th single "Yumenchu no Sora" and second PV DVD "Clip Shuu 2 ~COLOR STYLE / Aira Shiisaa / Futari no Paradise~" were both released on October 15th. The single reached #88 on the major Oricon chart, where it charted for a week. The DVD reached #83 on the Oricon chart, where it also charted for a week. On the same day as the release, a single release event was held at Shibuya BOXX. In three consecutive days starting on November 12th, the band participated in three days of the SPEED DISK PRESENTS~"Shinrabanshow" tour. The first venue was Nagoya E.L.L, the second was Kyoto MUSE, and the last was at Esaka MUSE. The year's end was three Tokyo one-man concert lives. They are in order: "Shinjuku LOFT de Party! Pary! Christmas Mile Home!" on the 25th at Shinjuku LOFT, "Shibuya DUO de Dance! Dance! Dancing Night!" on the 27th at Shibuya DUO, and "Harajuku ASTRO HALL de Happy! Happy! Request Live!" on the 28th at Harajuku ASTRO HALL.


Serial⇔NUMBER promoting "Churasan ga Koronda" (2009)

Serial⇔NUMBER's 13th single "Churasan ga Koronda" was released on January 21st. It is their first one-track single. This reached #99 on the major Oricon chart, where it charted for a week. On February 28th the band took part in the "NERVE PRESENTS [Jingi Naki Tatakai]~Yokohama Shitou Hen~Sono Ni" event live at SUNPHONIX HALL in YOKOHAMA ARENA. Another "stylish wave" tour, this time called stylish wave CIRCUIT '09 Haru no Arashi, began on March 14th. It was a 12 stop tour, starting at SUNPHONIX HALL in YOKOHAMA ARENA and ending at KYOTO MUSE on April 5th.

May was only two lives and a release. The first live was the "stylish wave EXTRA'09" event live on the 3rd at Kawasaki CLUB CITTA'. The second live was their mobile fan club FC⇔NUMBER'S only live "Hai Sai! Hai Sai! Chaabura Matsuri!" on the 12th at Shibuya O-WEST. The release was their 14th single "Chinese Ring", which was released on the 20th. This is their second one-track single. It reached #138 on the major Oricon chart, where it charted for a week.

The band's next tour, titled OtsukareSamba♪ de SUN SUN SUMMER Tour '09, was announced to be Kazune's last as a member of Serial⇔NUMBER. It began on July 24th at SUNPHONIX HALL in YOKOHAMA ARENA and concluded on August 21st at Akasaka BLITZ, hitting eight stops altogether. After Kazune's departure, the band continuted as a four member group. Before new work and lives their alter-ego band, Gothic†NUMBER, expanded in activity with their debut release and a tour. The next activity with the new line-up was on October 15th. It was Sasaki Jin's and Hibiki's birthday live called ""Hai Sai! Hai Sai! Chaabura Matsuri!" Vol.Ichichi" at Shibuya club asia.

On November 4th they released their debut digital single titled "Have a nice day". In between this an their next release, the band held their sponsored Ichariba Choodee Vol. Miichi tour. This started on November 9th at Sappror MESSE HALL and ended on November 25th at Shibuya O-WEST, hitting seven stops. Also on the last concert, Serial⇔NUMBER released their third album 01. It's basically a compilation album with one new studio track, and four new live tracks. The end of the year was with many other bands for the "stylish wave COUNTDOWN'09-'10" event on December 31st at LAFORET MUSUEM ROPPONGI.

Serial⇔NUMBER has many lives and events planned throughout 2010. Release-wise, they started a three consecutive month digital single release plan with the overall themes of Cherry Blossoms over the course of Winter to Spring. It started with "Haru no Kijun ~Hikan Zakura~" on February 24th, continued with "Sakura Cider" on March 24th, and ended with "Yurari" on April 21st.


Studio Albums



Other Singles



Serial NUMBER - Human Drama CD+PB.jpg

  • [2007.03.29] Human Drama (ヒューマンドラマ)


  1. "シリアル⇔NUMBER Gt.紫遊、Ba.響希、Dr.華威 脱退" vkdb. 2010.10.20. Retrieved 2010.10.20.
  2. "シリアル⇔NUMBERからボーカル以外3人脱退" Natalie. 2010.12.28. Retrieved 2011.01.21.
  3. "皆さんこれあらゆる所に広めまくってね♪" Sasaki Jin's Official Blog. 2011.01.16. Retrieved 2011.01.21.

External Links