Himeno's chest hurts if any boy touches her because her heart is a diamond. However, when she was young, she befriended two boys--gentle Mamoru and blunt Keigo--who could touch her without harming her. With...

Sakioka Junko stands out among her peers with her attractive appearance and that annoys the other girls. Kasai Makoto, tired of hearing whining from the girls, offers to quarrel with Junko's best and, for ob...