Hachi mo Sasazuba Utare Mai

Suzume is a former delinquent who was the leader of her own gang in junior high school.
But when she entered high school, she hid her past to live a low-key normal life.
By chance, her secret was found out by her classmate Hotaru.
Then, Hotaru asked Suzume to be her friend in exchange for not revealing Suzume's past indiscretions...?