Hikaru is a female teacher who is very beautiful and has big breasts. There was a student in Hikaru's homeroom class who was captivated by Hikaru's overflowing feminine charm and showed him unusual affection... One day, in the staff room, Hikaru accidentally finds out that a fellow teacher is having an affair. The jealous student wants to monopolize Hikaru's voluptuous breasts, and ends up resorting to forced measures... ``You have shitty breasts...'' The devilish big breasts that drive the students crazy... Hikaru Nagi's first work!