The class president, a flawless beauty admired by everyone, falls victim to a sadistic science teacher...! Though she once deeply trusted him, she gradually becomes ensnared by his twisted scientific obsession. The teacher secretly administers a powerful aphrodisiac he developed himself, plunging Uta into a state of unconsciousness, and begins forcing her into lesbian-like acts. He records explicit footage of her helpless, aroused state and uses the videos to blackmail and dominate her completely. Initially filled with hatred toward her teacher, Uta slowly succumbs to the drug's overwhelming effects, losing herself and surrendering her body to his cruel desires.