As a child Sakura Mamiya mysteriously disappeared in the woods behind her grandma's home. She returned whole and healthy, but since then she has had the power to see ghosts. Now a teenager, she just wishes the ghosts would leave her alone! At school, the desk next to Sakura's has been empty since the start of the school year, then one day her always-absent classmate shows up, and he's far more than what he seems!
During her pursuit of the Damashigami, Ageha encounters a Shirushigami named Kain. She goes crying to Rinne after he mocks her and her sister.
Tsubasa is upset: Rinne keeps getting between him and Sakura. But Masato the devil appears before him, offering what appears to be a solution.
Masato tricks Rinne's homestay, Shouma, into turning spirits evil. Both Rinne and Shouma are in deep trouble.
Rokumon enters the Black Cat Ranking Exam in pursuit of a ranked black cat contractor discount. Kain and Ageha also have their black cat contractors join. Calamity ensues.
Sakura and the others are trapped in a shed at Kain's home. There they find a suspicious box bearing, but they need Rinne to open it, and he's busy fighting Kain.
Sakura, Rokumon and Tsubasa infiltrate Damashigami Company. In an effort to take down the company, Rinne challenges Sabato to a duel.
Sakura gets an experimental candy which can render her unable to see spirits and immediately tries it out.
Tsubasa invites Sakura to visit a huge tree at the elementary school where they met, but there's something not right about the tree.
Ageha goes shopping to prepare for an intimate Christmas with Rinne, but on her way home, she notices an ominous aura coming from an abandoned house.
Rinne has come down with an afterlife strain of the flu. A doctor arrives to treat him, but it turns out that he's a Damashigami.
Sakura notices something odd when she gets home: there are spirits passing through her house.
Sakura finds the spirit of an idol by the pool, but she doesn't want to bring it up with Rinne; she's still bothered by what happened between him and Ageha.