- Name: Sato Sumire (佐藤すみれ)
- Nickname: Suuchan (すーちゃん), Suumelo (すーめろ)
- Birthdate: November 20, 1993
- Birthplace: Saitama, Japan
- Blood Type: O
- Height: 166cm
- Bust: 78cm
- Waist: 57cm
- Hips: 84cm
AKB48 Song Participation
- "RIVER" single
- Kimi no Koto ga Suki Dakara (君のことが好きだから) (Under Girls)
- Sakura no Shiori (桜の栞)
- "Ponytail to Chouchou" single
- Nusumareta Kuchibiru (盗まれた唇) (Under Girls)
- "Heavy Rotation" single
- "Beginner" single
- Boku Dake no value (僕だけのvalue) (Under Girls)
- Chance no Junban (チャンスの順番)
- Love Jump (ラブ・ジャンプ) (Team B)
- "Sakura no Ki ni Narou" single
- Guuzen no Juujiro (偶然の十字路) (Under Girls)
- Everyday, Katyusha (Everyday、カチューシャ)
- Yankee Soul (ヤンキーソウル)
- "Flying Get" single
- "Kaze wa Fuiteiru" single
- Kimi no Senaka (君の背中) (Under Girls)
- Ue kara Mariko (上からマリコ)
- "GIVE ME FIVE!" single
- NEW SHIP (Special Girls A)
- "Manatsu no Sounds good!" single
- Mittsu no Namida (3つの涙) (Special Girls)
- "Gingham Check" single
- Show fight! (Future Girls)
- "UZA" single
- Kodoku na Hoshizora (孤独な星空) (Team A)
- "Eien Pressure" single
- Watashitachi no Reason (私たちのReason)
- "So long!" single
- Ruby (Shinoda Team A)
- "Sayonara Crawl" single
- Ikiru Koto (イキルコト) (Team A)
- "Koisuru Fortune Cookie" single
- Suitei Marmalade (推定マーマレード) (Future Girls)
- "Heart Ereki" single
- "Mae Shika Mukanee" single
- Kimi no Uso wo Shitteita (君の嘘を知っていた) (Beauty Giraffes)
- Koko ni Ita Koto
- Tsugi no Ashiato
- Kakushin ga Moterumono (確信がもてるもの) (Yokoyama Team A)
- Kenkyuusei "Idol no Yoake"
- Kataomoi no Taikakusen (片思いの対角線)
- Squall no Aida ni (スコールの間に) (back dancer)
- Manatsu no Christmas Rose (真夏のクリスマスローズ) (back dancer)
- Heart-gata Virus (ハート型ウイルス) (Performed Oshima Mai's position from April 2, 2009 to May 27, 2010)
SKE48 Song Participation
- Bukiyou Taiyou (不器用太陽)
- Originally a 7th generation Kenkyuusei, she was promoted to Team B on May 21, 2010, and transferred to Team A during the AKB48 team shuffle in August 2012. During the AKB48 Group Grand Shuffle in February 2014, she was transferred fully to SKE48's Team E.
- She was a finalist for Morning Musume's Happy 8ki Audition in 2006.
- Her nickname "Suumelo" comes from her liking the Sanrio character My Melody, who is often nicknamed "Mymelo".
- Has a younger sister by nine years.
- Doesn't like being called Sato-san.
- She is good friends with Matsui Jurina.
- Likes reading books.