Cain

was a young male Bount whom Jin Kariya had left in Koga's care many years ago.

Character Outline
Cain has cropped reddish-brown hair and blue eyes, and often seen with a similar expression to Ichigo Kurosaki's. He states that before he came to live with Koga, he had a difficult life. He died after summoning his doll, and coaxing it to use its powers before it had time to rest, resulting in the doll killing him. This death effected Koga profoundly, causing him to dislike killing the young.

Doll
is Cain's doll. At first appearing as a small creature in the shape of a beam but transforms is self to look like a preying mantis creature. When Cain first summoned it, he asked that it perform something amazing like Daraku but Waineton tells him that he is still tired, when Cain asks him once more the later tells him that he will show his power only after him Cain shows him his by means of a test. Cain is kill by Waineton shortly after.