Yui Sakakibara

Ash is a student at Ansalivan Dragon Academy, attended by children who have formed contracts with dragons. He possesses the "star mark," the sign of a contract, but since his partner hasn't been born yet, he seems insignificant. The awakening of the dragon he's raising inside his body is triggered by an incident, and it emerges in the form of a young girl.

Junpei Kōsaka is in his second year of high school and tries to stay out of trouble. He is allergic to cats which is ironic because the girl he has a crush on loves them. One day Junpei makes the mistake of kicking a can that accidentally hits the local neko-jizō-sama, which is the guardian deity of cats, after the incident he can suddenly understand what cats are saying and to make it even worse he also has to grant one hundred wishes from cats, or he will be turned into one himself.

Takumi is a very shy and withdrawn young man who is obsessed with computer games and anime. He lives in a quiet town, until a serial killer suddenly strikes and has people very scared. Suddenly one day while Takumi is chatting he receives a URL from someone he doesn't know, what he finds when he visits the site is an image that suggests a new murder will occur. The day after, it really happens...