"Hayakawa Nozomi (Sasaki Saki)" moves into an apartment after her parents divorce. Although she has a dazed and plain appearance, she is a tennis player who has made it to the national tournament, and her worries lie in balancing her studies and club activities. Meanwhile, a man living in the apartment next door to hers is a teacher and offers to help Nozomi with her studies in his free time. When Nozomi's mother goes to work on a holiday, leaving the man and Nozomi alone. The man gives her advice and suggests a way to study to improve her concentration. The laptop he gives her shows a "hypnosis introduction video." From there, Nozomi's constitution and body become clear. The man begins to take action to turn Nozomi into his ideal onahole