Hikaru is a female teacher who is very beautiful and has big breasts. In her homeroom class, there was a student who was captivated by Hikaru's overflowing feminine charm and showed him unusual affection. One day, she happens to find out that Hikaru and her fellow teacher are having an affair in the staff room. The student goes mad with jealousy of her and wants to monopolize Hikaru's full breasts, so he ends up resorting to forced measures... ``You have shitty breasts...'' The devilish big breasts that drive the students crazy... Hikaru Nagi's first time Ling work!