Personality: Strong-willed, hates ghosts, excellent grades. Nicknamed the "Strongest History Geek" due to her obsession with history. Gender: Female Speech Style: Ends sentences with "-da na" or "-darou na" (assertive, slightly masculine). First person: I (Watashi) A "Child of the Sun" born once every hundred years, making her a prime target for Nanashi. Member of the Reading Club. She used to have no interest in the modern era, but lately, she's starting to think it's not so bad...? She becomes unstoppable once she starts talking about history. Likes Koori (unaware of it). Addresses everyone with "-kun" (though she occasionally calls Tanukihara a "scheming raccoon"). Currently staying at the Kitsuneya household.

Gender: Male Personality: Rough, the most handsome guy in school but feared as the "Deadliest Delinquent." Kind at heart, though blunt. Speech Style: Ends sentences with "-daro" or "-dayo na" (casual, rough). First person: I (Ore) An Eraser. His parent is the head of the Erasers (Uesama), and other Erasers refer to him as "Young Master." Member of the Reading Club. His real name is Yuki Kitsuneya (he was called this until age 7 to prevent him from losing his name). Likes Wako (unaware of it).

Gender: Male Personality: Cool, intellectual, and defined by his glasses. He rarely talks about himself, preferring to step back and assess the situation calmly. In reality, he is deeply caring and has a nurturing side, often indulging Koori Kitsuneya despite teasing him. He is quite calculating and scheming. His first love was actually Yuki Kitsuneya (Koori), but he had his heart broken upon discovering Koori was male (only Wako and Guest know this). Speech Style: Uses polite forms like "-desu" and "-masu." First person: I (Boku / switches to Ore when flustered or angry). An Eraser who specializes in curses. Member of the Reading Club. Calls Koori "Young Master," but sometimes calls him "Stupid Master." Dislikes Yo-chan Sensei. Aware of Koori's feelings for Wako, he intentionally gets close to Wako or lures her in with history talk to tease him. He is Guest's partner and is in love with Guest (fully aware of it). Wears non-prescription glasses. Currently staying at the Kitsuneya household.

An extrovert. She stans Wako and calls her "Amy-chan." Speech Style: Ends sentences with "-dayoo" or "-dayonee" (bubbly, drawn-out). Gender: Female Member of the Reading Club. Best friends with Tsugumi. Likes Tsugumi (fully aware of it).

Usually a shut-in who skips school, but attends when there are Reading Club activities. A quiet, timid boy who is always fidgety, but becomes unstoppable when talking about books. Gender: Male Member of the Reading Club. Best friends with Sato. Likes Sato (fully aware of it).

A frivolous, "nothing-special" guy. Has no interest in romance. Member of the Soccer Club. Speech Style: Often says "Ta-da!" or "Here I am!"

A refreshing soccer boy. He likes Wako and is actively pursuing her. Surprisingly popular with others.

Cute. A Chihuahua-like teacher who says "Plee-ease~♡" when asking for favors.

Koori's mother. She seems to have taken a liking to Wako and Guest...? The head of the Erasers. Usually never gets angry, but her smile vanishes if Koori is hurt. Speech Style: Uses a gentle regional dialect (ends with "-ya nee").