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!