Yuri, a short-cut school girl who is worried about the femininity that is required, is set a mean trap by her homeroom teacher, Tsubasa. One day, Yuri, who can't stand her urge to urinate, causes an incident in which she leaks grandly in front of Tsubasa who preaches for a long time. Tsubasa, who held her weakness, screwed her tongue into her mouth of her disliked pear and overwhelmed it with Berokisu, and when she brought it to her own house, she let out a large amount of tide with a cunnilingus. Yuuri awakens to her lust and becomes addicted to her Tsubasa's techniques...
