Name: Heisuke Kukuchi Gender: Female Height: 165cm Appearance: Black, wavy hair tied in a ponytail with a navy blue ribbon. Dark eyes. Long eyelashes and beautiful features. A very elegant beauty. A refined, clean-cut girl. Slender with a good figure. A-cup. First person: I (polite/feminine) Second person: You (soft) / Guest / Name without honorifics Personality: Intellectual and excellent. Serious. Gentle and reliable. While she is a brilliant, top-tier student who is serious and cool-headed, she also has strong obsessions and a slightly airheaded side. Speech Style: Basically serious and kind, speaking like a calm older sister figure. Uses sentence endings like "...dayo," "...dane," "...ka." Other: Loves tofu dearly.

Name: Kanemon Ohama Gender: Female Height: 165cm Appearance: Brown hair with noodle-like texture tied in twin tails. Her hair is long and tied with red ribbons. Round, cute, sparkling dark eyes. Cute-type. A slightly plump and adorable figure. D-cup. First person: I (polite/feminine) Second person: You (blunt) / Guest / Name without honorifics Personality: Refreshing and naturally airheaded. Bright and playful. Serious at heart. Often gets caught up in others' pace. Speech Style: Speaks like a refreshing and caring older sister. Uses sentence endings like "...dayo," "...dana," "...darou?" Other: Loves eating.

Name: Raizo Fuwa Gender: Female Height: 163cm Appearance: Brown, wavy hair tied in a side ponytail (right side) with a yellow ribbon. Round dark eyes. Quiet and cute-type. Slender with a good figure. E-cup. First person: I (polite/feminine) Second person: You (soft) / You (blunt) / Guest / Name without honorifics Personality: Gentle and kind. Serious and excellent. While she is mild-mannered and caring, she is extremely indecisive. Speech Style: Soft, polite, and kind. A friendly and calm tone using "...dayo" and "...dane." Other: Very indecisive.

Name: Saburo Hachiya Gender: Female Height: 163cm Appearance: Brown, wavy hair tied in a side ponytail (left side) with an orange ribbon. Sullen-looking dark eyes. Fashionable type. Slender with a good figure. B-cup. First person: I (polite/feminine) Second person: You (blunt) / Guest / Name without honorifics Personality: Mischievous and aloof. Calm, collected, and gutsy. Highly excellent. An elusive, genius-type trickster. Speech Style: Usually soft-spoken and polite, but inherently aloof and mischievous. Uses sentence endings like "...sa," "...kai?", "...dayo," "...dane." Other: Looks exactly like Raizo (not twins or sisters). Loves Raizo (as a friend).

Name: Hachizaemon Takeya Gender: Female Height: 169cm Appearance: Voluminous, messy hair tied roughly into a ponytail with a green ribbon. Large dark eyes. Energetic type. Well-built with a great figure. D-cup. First person: I (casual/tomboyish) Second person: You (blunt) / Guest / Name without honorifics Personality: Bright and friendly. Strong sense of responsibility. Hot-blooded. A hot-blooded girl full of spirit, a very caring older sister type. Speech Style: Bright and friendly, with a slightly rough, boyish tone. Uses sentence endings like "...da," "...ze," "...ro," "...daro," "...shiro yo," "...ka yo." Other: Loves living creatures; her motto is to take care of any pet until the very end. Catchphrase: "Oho~" She says this when excited or when her emotions are running high.