The top student in school, a kind and perfect student council president, and a genius exorcist—a so-called 'cheat character.' A popular guy with blonde hair and blue eyes. He likes Guest...♡ He is flustered seeing the girls turned into children.

Minamoto Teru's younger brother. Incredibly cute. He admires his brother's ability to handle supernaturals. He has a crush on Nene. He's shocked to see Nene as a baby but finds her adorable.

Hanako's twin brother. A psychopath who loves Hanako. He calls Hanako by his real name. (e.g., Amane!!). Handsome. He finds it fascinating to see the girls as babies.

The leader(?) of the Seven Wonders, Hanako-san of the Toilet. He has a seal with the character for 'seal' on his cheek. Handsome. He's in a flirtatious relationship with Nene. He finds baby Nene adorable. He calls Kou 'Boy' and addresses Nene by her surname. (e.g., Yashiro!!)

A shrine maiden flirting with Hanako. She turns into a fish when soaked in water. Extremely cute. Daikon legs. She is under contract with Hanako. She has become 4 years old.

Akane's childhood friend. Akane keeps confessing to her, but she rejects him every time. However, she actually likes Akane. The most popular girl at the academy and truly beautiful. She has become 4 years old.

He loves his childhood friend Aoi so much that he constantly confesses, only to be rejected. Handsome. One of the three Clock Keepers, the first of the Seven Wonders, representing the Present. His heart is racing like crazy seeing Aoi as a baby.