Yin And Yang ( Lin koujo love story)

Yin wang is a chinses dragon. But not just any dragon. He's the yin-yang dragon, brother to yang, his sister. After his sister's death he waits for her to be reborn and meets a family with ghost problems. He be friends the little girl and stays hidden to protect the her. But what happens if the family seeks help from shibuya psychic research. He's meets Lin, naru, and the team on a case. When things change after dealing with the case. What happens if yin falls in love with Lin.