An old man is transformed into a youkai, a cat or a human whose tail is split into two. On the stage of "Futamata", a snack that is managed by Yukino Nekomata as a mama, the new cat Nekomata clerk Kuro-chan...

Youkai are mysterious, trouble-making spirits and demons that have tormented Japan for centuries. Kotoko’s grandfather exorcised them for a living, but Kotoko never thought that her family lineage was an a...

In order to make a wish come true, this is the beginning of a story that multiplies everything with one person and one sumo wrestler. A certain world long ago Umeko, a girl who longs for a youkai and wants...