KAMUI: He's Behind You

The ringing of the phone echoes through a high-rise building late at night. The voice on the other end introduces herself as Mary-san. Shizuka is pursued by her via every phone call, no matter the room she flees to or the hallway she runs down. What encounter awaits Mary-san after cornering Shizuka?! Teketeke a wandering spirit that seeks after its lower half of the body, lost in an accident. Shizuka, who was forced to listen to the story from Kamui, finds the ghost before her 'as promised,' unaware that this was a clever trap set up by Kamui.

Hiding her psychic ability, Shizuka hopes to enjoy school life as an ordinary student. However, her peace is shattered through her friend, Inagawa, who brings in a Kokkuri-san sheet. A spirit appears in response to Inagawa and the others' summons, and its evil grasp closes in on Shizuka. Can Kamui fulfill Shizuka's request to perform an exorcism 'secretly, without anyone seeing'?

A cursed checkered doll that keeps returning no matter how many times it's disposed of is brought into Kamui's office. The doll challenges Kamui to take her on in the purification ritual. But there, she witnesses Kamui's unimaginable lifeforce and exorcism methods firsthand. While searching for a girl who's been spirited away, Shizuka is captured by the Gap Woman. Will Kamui be able to rescue Shizuka who's trapped in a narrow gap of a building where she is out of reach?

Shizuka is forced into a elementary school costume—tight-fitting clothes and a school backpack. As she grieves over the random punishment, the Slit-Mouthed Woman presses her, asking if she looks pretty. Shizuka flees to the empty school after classes. What is Kamui's secret plan, waiting for her in the infirmary? Kamui receives a message from Shizuka that she's going to hang out with her best friend Kyoko, and upon seeing the attached photo, he senses something. Will Shizuka be able to hide Kamui's exorcism from Kyoko?!

Oichi, the cursed Ichimatsu doll who was defeated in her battle against the Slit-Mouthed Woman, gets picked up by a young girl named Yui and becomes her cherished playmate. Then, a black cat that Yui had found joins them as a new playmate. But that cat was no ordinary black cat! With Yui's life and the top spot of playmate on the line, the battle between Oichi and the black cat begins!