Revenge, debauchery, and depravity. My classmate, who once looked down on me, is now living a happy married life. I've decided to destroy everything she has, secretly drugging her with aphrodisiacs… Mika Sumikawa JUQ-909

Kyo, an introverted child who was constantly ridiculed by those around him and ranked at the bottom of his club, harbored a secret crush on his classmate, Mika. However, Mika always looked down on him and treated him coldly… Later, they became colleagues, but Mika completely forgot him and even became affectionate towards him. Enraged, Kyo decided to ruin her happy life, secretly drugging her with an aphrodisiac and beginning his revenge plot…