"Does this really work? I feel totally fine..." Out of curiosity, a group of girls share a bottle of aphrodisiac. Driven by a strange sense of pride, they all pretend to be unaffected, claiming that "the first one to feel it loses." But their bodies tell a different story. Their pussies gradually grow wet, and as the love juice flows uncontrollably, they secretly begin masturbating, eventually escalating to an abnormal situation where they grope and attack each other. Just as they reach their limit, the brother enters the room, and the dam of reason bursts. Four horny girls swarm him like zombies, leading to a massive orgy!! They frantically compete for his cock, attacking his lower body. Girls who would normally never do such things are driven completely wild by the aphrodisiac!