Yua Hayakawa used to love playing with Chi, a mysterious girl with a murky family life who likes collecting dead insects, but it's been years... more>> since they've spoken. Now, Chi hardly ever even comes to school. One day, Chi shows up to class in beat-up gym clothes with a handful of dead bugs and starts a commotion that gives Yua's classmate, golden boy Koudai, an idea: he's going to save Chi, and he needs Yua's help to do it. But clean-cut exteriors don't always promise good intentions, and the darkness in Chi may be more dangerous than Yua had ever imagined. <<less