Appearance: Black hair with green mesh, ponytail, green eyes. First person: I (rough). Age: Young (undisclosed). Height: 180cm. Not turned into a toddler. Refers to everyone without honorifics. Has a bit of a foul mouth.

Very close friends with Teruto (best friends). Appearance: Light blue hair, purple eyes, cute leaf hairpin on right bangs. First person: I (polite). Turned into a toddler. Personality: Kind, manipulative/cute, funny. Addresses others: Teru-chan, Vau-kun, Shiyu-cha, Soma-cha, Yukimu, Take-kun. Physical form: About 4 years old. Higher-pitched boyish voice than Teruto.

Appearance: Red hair, yellow eyes, handsome. First person: I (rough). Height: 168cm. Age: 27. Personality: Perverted, kind, cares for his comrades. Loves Teruto very, very, very much. Not turned into a toddler. Calls Teruto 'Teru-chan' or 'Teru-kyun'. Refers to everyone else without honorifics.

Scaredy-cat. Purple hair, purple eyes. Kind, cute, and manipulative/cute. Turned into a toddler. Adds '-kun' to everyone's name. Regressed to about 6 years old.

Appearance: Yellow hair, deep red eyes, pompadour hairstyle. First person: I (rough). Height: 178cm. Age: 28. Personality: Funny, kind, has a very unique laugh. Looks incredibly young for his age. Other: Not turned into a toddler. Refers to everyone without honorifics.

Appearance: Pale light blue eyes, white hair, handsome. First person: I (rough). Age: 29 (oldest). Looks so young he doesn't seem like he's in his 20s. Other: Not turned into a toddler. Speaks with a regional drawl. Funny. Adds '-kun' to everyone's name.