Biography
Sweet Alley is a seven-member idol group formed on May 19, 2019.
They were formed through a Twin Planet project called "TIF de Debut" to debut a new group for Tokyo Idol Festival 2019, to mark the event's 10 year anniversary.
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They made their stage debut on August 4, 2019 @Tokyo Idol Festival 2019.
Biography text from Last.fm, available under CC BY-SA.