These young girls hearts are pure, and then violent!
Mato Kuroi just got into junior high school, and on the first day, someone catches her eye; her classmate Yomi Takanashi. The two meet.
The innocent and naive Mato. The mature Yomi. Seemingly opposites, but the time they spend together only strengthens a growing friendship.
But as they go into their second year at the school, they get placed in separate classes, and they begin to grow apart.
But somewhere simultaneously...
In...