The Yin military strategist, he has been protecting the Yin because of a promise he made to his comrade Shushi, a lively young woman he once trained with. Bunchuu has been the Yin's strategist and protector for 300 years and he had 30 emperors under his care. He is one of the strongest in Kingou island and with his spirit beast Kokukirin and super paopei Kinkuben he is a formidable enemy. Although he never uses his sennin powers in human conflicts.