Makoto, a plain and serious high school girl, is tricked by her childhood friend into drinking an aphrodisiac, and transforms into a super erotic girl. Then she ends up having creampie sex. Makoto continues to be drugged afterwards, but what she becomes addicted to is not the pleasure of the aphrodisiac, but the pleasure of being ejaculated inside her!! The gap moe of the uptight JK suddenly transforming into a slutty girl and begging for creampie is irresistible!