(W/A) Yukinobu Tatsu Okarun, a high school boy obsessed with supernatural phenomena, is cursed by Turbo Granny! Along with his classmate Momo Ayase, he challenges Turbo Granny to a game of tag as a means to lift the curse. If the two can stay out of her reach until the finish line, they'll win. But Turbo Granny's assassin, a bound spirit in the form of a giant crab, has other plans! For mature audiences.

(W/A) Yukinobu Tatsu Okarun and Momo search for his precious family jewels, which he lost during his battle with Turbo Granny. Unfortunately, their classmate Aira has already found one, and it's awakened spiritual powers within her. Around this same time, a strange woman in a red dress appears at their school and attacks them! Who is she, and what's with her obsession with Aira? For mature audiences.