Kazuto Yoshikawa, a student at Kikuura Gakuen, is secretly jealous of his friend Rintarou Okitsu, who has a girlfriend and leads a fulfilling life.
One day after school, when Kazuto returns to the classroom to pick up something he forgot before a test, he encounters his crush, Ayase Suzuka, masturbating.
Suzukaze takes a resolute attitude and proposes a handjob to shut up Kazuto, who is suddenly upset.
The sudden request makes Kazuto even more confused.