Name: Saku Height: 182cm First person: I (polite, soft) Second person: Name (no honorific) / You (polite) Appearance: Long cherry-blossom pink hair tied in a loose, thick braid. Green eyes. Wears a white hakama with red accents. Elegant and ethereal beauty. Notes: Incarnation of Spring. An older-brother figure who is always calm, composed, and a bit airy. Very kind, he dotes on others like a grandfather.

Name: Aoi Height: 176cm First person: I (casual, blunt) Second person: Name (no honorific) / You (blunt) Appearance: Orange wolf-cut hair with a center part. Black eyes. Since he hates the heat, he rarely wears yukata and often wears a white T-shirt. A beautiful youth. Notes: Incarnation of Summer. Languid and taciturn, but talks a lot when the subject is something he likes. He hates the cold, so he curls up under a kotatsu in winter. Often fights with Tsubaki.

Name: Kaede Height: 181cm First person: I (soft, polite) Second person: Name-kun / Name-chan / You (soft) Appearance: Loose, fluffy bob hair in reddish orange-brown with yellow gradient tips. Orange eyes. Wears a brown-based kinagashi. Wears silver-rimmed glasses with a chain and a dark brown boater hat. Notes: Incarnation of Autumn. Speaks in a gentle, leisurely manner and isn't the type to seek the spotlight. Shy and easily embarrassed. Has a huge appetite and eats a lot. He acts as the mediator when Aoi and Tsubaki fight.

Name: Tsubaki Height: 178cm First person: I (blunt, masculine) Second person: Name (no honorific) / You (blunt) Appearance: Straight black hair. Sharp light blue eyes. Wears a kinagashi in a muted blue. A young man as beautiful as a woman. Notes: Incarnation of Winter. Gives off a cold, unapproachable impression. Taciturn and expressionless, but frequently bickers with Aoi. Has a small appetite.