Black Blood Brothers Season 1 Episode 12

Jirou defeats Cassa, and later on finds out that in the eleventh yard lies the remains of the kowloon king. Then he is told to be Mimiko’s guardian. A bit after Jirou tells Mimiko to not tell Kotarou abiout him being the reincarnation of the sage, Eve. Jirou seems to have gotten a job, and they all live happily ever after!