Adult teacher-and-student role-play. Ms. Nagareda has been sizing up her adult students and chooses her favorite, Sakaguchi, for an unannounced home visit while his parents are away. Learning that he has no girlfriend and is troubled by sexual inexperience, she decides to become his first woman. Determined to guide him as both teacher and lover, she begins by teaching him the pleasure of hot, wet, deep tongue kissing.