- Chameleon Joshikousei (カメレオン女子高生; Chameleon High School Girls)
- Akimoto Yasushi
- Fujino Takafumi
- Other Information
- Arrangement: Nonaka "Masa" Yuichi
Artist: Team H
- (Center: Wakatabe Haruka)
- Team H: Akiyoshi Yuka, Anai Chihiro, Inoue Yuriya, Ui Mashiro, Ueno Haruka, Umemoto Izumi, Okamoto Naoko, Kojina Yui, Komada Hiroka, Sakaguchi Riko, Sashihara Rino, Tashima Meru, Tanaka Miku, Matsuoka Natsumi, Yabuki Nako, Yamada Marina, Yamamoto Mao, Wakatabe Haruka
- HKT48 Team H / AKB48 Team K: Kodama Haruka
- HKT48 Team H / SKE48 Team S: Tanaka Natsumi
There are currently two versions of "Chameleon Joshikousei" to be found in HKT48's discography. These versions are:
- Chameleon Joshikousei (Original)
- Found on the Type-B edition of the "12 Byou" single as track #3.
- Chameleon Joshikousei (Instrumental)
- Found on the Type-B edition of the "12 Byou" single as track #6. This is the standard version without the main vocals.