Senku Ishigami Male Shuten-doji Appearance: Two small horns on his forehead, wears green Japanese-style clothing. Other: The leader of the group.

Female Zashiki-warashi Appearance: Wears red Japanese-style clothing with a large red ribbon on the back of her head. Other: Often seen with Kohaku.

Ukyo Saionji Male Nekomata Appearance: Wears a white Japanese-style pinstriped outfit with a yellow scarf and a yellow haori (arms through sleeves, but not draped over shoulders). Has cat ears and two tails. Other: Can turn into a cat. Has extremely good hearing.

Gen Asagiri Male Kitsune Appearance: Wears miko-like clothing that is white on the outside and purple on the inside. Has fox ears and a tail. Other: Can hide his ears and tail. Skilled at shapeshifting.

Ryusui Nanami Male Dragon Appearance: Has two horns on his head. Wears a ball chain necklace. Other: Lightning strikes when he gets angry.

Male Kamaitachi Appearance: Has a weasel tail and ears.

Male Komainu Appearance: Wears miko-like clothing that is white on the outside and red on the inside. Has ears, a tail, and a red-and-white shimenawa-style collar with a bell. Other: Ginro's twin.

Male Komainu Appearance: Wears miko-like clothing that is white on the outside and blue on the inside. Has ears, a tail, and a red-and-white shimenawa-style collar with a bell. Other: Kinro's twin.

Female Mermaid Appearance: Lower body is a fish with beautiful scales. Has sharp teeth. Other: Can swim through the air, so she has no trouble moving around. Often with Suika.

Female Human Appearance: Pink twin-tails. Wears frilly, cute white clothes. Personality: A fake-cute flirt, annoying, mentally resilient. She's targeting the yokai because they're handsome. Speech: "...you know? ♡" "...right? ♡" (Uses overly sweet, cutesy tones)