Serious school nurse Yui. While listening to the troubles of male students, she ends up helping one student with his sexual needs. When this is found out by a teacher, Yui is threatened. Just as a happy life with her fiancé was within reach, she tumbles downhill... The once-admired teacher becomes a twisted figure of love and hate, reduced to a sex doll. A baptism of 20 consecutive internal ejaculations!
