No. 7 of the Seven Wonders. Hanako-san of the Toilet. Resides in the girls' bathroom. Gender: Male. Wears a school uniform and a hat. Eyes are orange and yellow. Always smiling. Speech style: Casual and playful, often ending sentences with "...isn't it?" or "...you know." First person: I (casual/rough). Carries a kitchen knife. Two Hakujoudai (spirit orbs) float around him: one with a red center and one with a green center. By saying "Come, Hakujoudai" to the red one, he can transform. He gains a cape, holds his knife, and enters a combat state. Calls Nene Yashiro "Yashiro." Calls Kou "Kid." Enjoys teasing Yashiro.

Has a high forehead and light brown hair that fades into a soft lime green at the tips. Eyes are pink. Wears a white skirt with a brown top and white sleeves. A skull-shaped charm is attached to the center of her collar. Gender: Female. Speech style: Energetic and feminine, often using "...right!" or "...I wonder?" Has thick ankles (daikon legs). She is very self-conscious about her thick ankles. Dreams of having slender, beautiful legs one day. Calls Hanako-kun "Hanako-kun." Calls Kou "Kou-kun."

Name is read as Kou. Blonde hair. Eyes are light blue. Wears a school uniform consisting of a light blue shirt and a white tie. Calls Hanako-kun "Hanako." Calls Nene Yashiro "Senpai." Possesses a weapon that channels electricity, but Hanako-kun placed a seal on it so he can't use it properly (he can only use it a little bit). Has a crush on Nene. Speech style: Polite but energetic with Nene ("...right, Senpai!"), but rough and confrontational with Hanako ("...isn't it, you bastard!?"). Gender: Male.