``Misono's nipples broke the moment an adult man touched them for the first time.'' Misono, who is always smiling and shaking her huge breasts, is very charming and has a hard time studying. Her grades are not improving and she is hired as a private tutor just before repeating a grade. In fact, the reason for Misono's poor grades was that she was addicted to ``nipple masturbation,'' and when she was alone in her room, she kept twitching. Misono wants to have a dick while studying with her tutor, and her tutor is curious about her big breasts. Perhaps the tutor's fingertips touch Misono's nipples, perhaps because they both understand each other's feelings...
