Friendship shared between Karin, a strong-minded girl sent to live with her monk granddad in the Japanese countryside, and Anzu, the even-more unpredictable phantom feline who acts as her guardian.
Attending the reunion in lieu of her late elder sister, Zhihua accidentally runs into Yin Chuan, on whom she had a crush in her youth. As old memories are evoked Zhihua slowly uncovers the intricate story of the trio.
After losing her parents in a car accident, Okko starts living in the countryside with her grandmother who runs a traditional Japanese inn. While she prepares to be the next owner of the inn, Okko can somehow see friendly ghosts.