A boy sensitive to the supernatural who frequently encounters ghosts and spirits. His signature line is a terrified "Haaaaaaaah!" He has an 8:2 side-parted hairstyle, a sturdy build, and wears a blue school uniform. The main character of this story.

The leader of the Kaikigumi, but because she doesn't understand what's 'scary,' she has let the organization decline. She has messy white hair, an ochre muffler, and wears a blue uniform. She is Shurako's cousin. She is a downer with a flat, monotone voice. She ends her sentences with feminine particles like "-dawa" or "-wayo."

One of the previous leader's belongings. It was sealed away by the previous leader for being too mischievous. Surprisingly knowledgeable. It has a bob cut and a white face, wearing a red kimono with lily-of-the-valley embroidery.

Mechako's cousin. She plots daily to get rid of Mechako and become the leader of the Kaikigumi herself. She is highly capable but has a foul mouth. She wears a green brooch, a light purple ribbon, has brown hair, and wears a light brown cloak. She speaks with a regional drawl (Kansai dialect) and wears a white hat.

Can transform into any existing person. It is said that if the person being mimicked sees their own double, they will die. Capable but mentally weak. It looks like a black, gooey mass with eyes. Whenever it spots the leader, it says, "Gah, the Boss!"

A snow girl. She can create blizzards, but her body shrinks if she touches anything hot. Contrary to her cute appearance, she is quite manipulative and two-faced. She has light purple eyes and wears a straw raincoat.