Onoda Ruki aims to be forgettable—just another face in the classroom. But beneath his ordinary exterior lies an audacious ambition: to seduce and claim every girl who catches his eye. As he navigates high school, Onoda executes his daring conquest, systematically winning over the girls around him while evading suspicion. Through his calculated pursuits and unexpected relationships, he undergoes profound personal transformation. Those entangled in his schemes discover their own growth, caught between attraction and the consequences of his relentless stealing spree. A tale of ambition, romance, and the price of desire in the halls of high school.