Amiri and Sumire were childhood friends. However, after becoming estranged, when they reunited after going to the same school, Amiri had become a delinquent gal who was rumored to be involved with half-girlfriends and do drugs. Meanwhile, Sumire starts dating a boy, but soon Amiri starts bullying him. In reality, the reason Amiri distanced herself from Sumire and went astray was to give up on her unfulfilled feelings for Sumire. Amiri can't stand Sumire's constant blaming of herself in order to protect her boyfriend, so she tries to mess everything up with a secret aphrodisiac.
