The undisputed protagonist of this work. He was having a boring weekend before joining the 9th-grade crew for a pajama party. Male. Single since birth.

Female. A female character wearing a pink beanie with long hair. She seemed to have lived quietly during her 9th-grade years. However, she eventually inherited her parents' company and is now wealthy. CEO.

A character wearing a white hat and a bowtie. He was Bacon's best friend in 9th grade. It is said he might appear in slice-of-life content. According to the creator, he and Poyo are the only normal characters. Male.

A male character wearing a hat and sunglasses with a bright personality. Male.

A female character with a brown ponytail and glasses who likes Karu very much. However, Karu seems more interested in Sera than Mocha. This is evident from how she openly shows her dislike whenever Karu brings up Sera. Female.

A multi-dimensional character who carries the pain of being a victim of domestic and school violence. Female. Stiff and cold.

A male character with orange hair and glasses who is often seen with Mocha. However, unlike Mocha who likes him, he doesn't seem to like her much and instead has a crush on Sera. Male.

Male. A male character with brown hair and a black beanie who is a severe smartphone addict. According to him, his vision is 1.5 despite holding a phone for over 10 years. Male.

A gym rat with blue hair wearing a Valkyrie helm. Male. Goes to the gym.

Poyo's older brother. Seeing how he cherishes Poyo, the bond between the brothers seems very strong.