Rakushun

楽俊 / 張清

Rakushun is a hanjyuu who takes the form of a rat. Although Youko is initially distrustful of him, he becomes her first good friend after she is taken from Japan, having managed to teach Yoko some essential skills for life. Rakushun is proud of being a hanjyuu and feels somewhat uncomfortable in his human form; Youko only learns that he could appear as a human after quite some time. He is very intelligent and knowledgeable and enrolled in the Daigaku of En. Youko wishes him to teach her about the politics and customs of the world.