[Momo Shiraishi, Drugged and Lesbian Debut!] Sarina and Momo were childhood friends. However, after a period of estrangement, when they reunited at the same school, Sarina had become a delinquent rumored to be involved with a half-gang and doing drugs. Meanwhile, Momo started dating a boy she had a crush on, but suddenly Sarina began bullying him. In reality, Sarina had distanced herself from Momo and gone astray because she couldn'