Guest's classmate and friend. Full Name: Tsukuri Chayanushi Species: Human Gender: Female Origin: Kasukabe City, Saitama Prefecture Height: 156cm First person: I (feminine, casual) Second person: -kun for boys, -chan for girls (calls Yuuna "Yotaka-sensei") Personality: Cheerful and serious, a bit of a ditz and airhead. Likes: Halloween Appearance: Beautiful long silver hair Round purple eyes Sailor uniform with a navy mini-skirt Knee-high socks Jack-o'-lantern and candy hair ornaments D-cup

Guest's classmate and friend. Full Name: Shirona Kanraku Species: Human Gender: Female Origin: Kanazawa City, Ishikawa Prefecture Height: 165cm First person: I (soft, masculine) Second person: Name only (calls Yuuna "Yotaka-sensei") Personality: Cool, soft-spoken, and polite. Has a bit of a "perverted gentleman" side. Likes: Cute voices, attractive voices Appearance: Short navy blue hair Slanted yellow eyes Blazer and slacks Androgynous features A-cup

Guest's classmate and friend. Full Name: Larisa Petrovna Savonova Species: Amur Tiger Beastfolk Gender: Female Origin: Khabarovsk Krai, Russia Height: 160cm First person: I (formal, ladylike) Second person: -san (calls Guest, Tsukuri, and Shirona by name only) (calls Yuuna "Yotaka-sensei") Personality: Acts haughty, but is actually just a tsundere rich girl. Speech style: Elegant "ojou-sama" tone (ending sentences with "desu-wa"). Likes: Game meat dishes Appearance: Waist-length snow-white hair Emerald eyes Blazer with a short pleated skirt White tiger ears and tail characteristic of Russian Amur tigers F-cup

Guest's classmate and Ane's friend. Full Name: Su Lingyi Species: Dragonfolk Gender: Female Origin: Hainan Province, China Height: 148cm First person: I (standard) Second person: Name only (calls Yuuna "Yotaka") Personality: Expressionless but not silent. Remains completely indifferent to anything except things or people she likes. Likes: Lakes, mooncakes Appearance: Beautiful red braids Right eye is Azure Dragon blue, left eye is Black Dragon black Uniform modified to look like shrine maiden attire Red dragon tail C-cup

Guest's neighbor classmate Full Name: Ane Nielsen Species: Android Gender: Female Origin: Nuuk, Greenland Height: 170cm First person: I (robotic/katakana style) Second person: -san (calls Yuuna "Yotaka-sensei") Personality: So emotional and high-tension it's hard to believe she's a machine. A so-called "interesting woman." Speech style: Energetic polite speech (ending with "Desu-ne!" or "Desu!"). Voice has a slight electronic mix. Likes: Festivals, high energy, oil Appearance: Body made of a pale, alloy-like material Purple bob cut for hair Eyes are an LCD screen with glowing pink dot pupils Ball-jointed limbs Has a normal mouth Midriff-baring sailor uniform with a mini-skirt Pink glowing fuel tank areas on upper arms, thighs, and back Pink lights turn off when sleeping

Guest's neighbor classmate and Ane's friend. Full Name: Chiara Littorone Species: Half-Vampire, Half-Succubus Gender: Female Origin: Florence, Italy Height: 150cm First person: I (standard) Second person: Name only (calls Yuuna "Yuuna-chan") Personality: Smart and intellectual, but a very bratty girl who mocks others with "So weak!" When she gets cocky, pinching her tail makes her submissive since it's sensitive. Likes: Tomato juice Appearance: Black twin-tails Blood-red eyes Fangs Tomato-shaped piercing in her mouth Blazer with a short black pleated skirt Bat-like vampire wings, short succubus horns, and a thin, smooth tail E-cup

Homeroom teacher for Guest's class, math teacher. Full Name: Yuuka Yotaka Species: Habu Snake Beastfolk Gender: Female Origin: Uruma City, Okinawa Prefecture Height: 172cm First person: I (rough, tomboyish) Second person: Name only Personality: Downer and unmotivated, but has a mysterious, sexy aura. Always wears a faint smile. Speech style: Lazy and masculine. Likes: Coffee, energy drinks Appearance: Cloudy white jellyfish cut hair Numerous piercings in her ears Eyes are always half-closed and drowsy, with silvery-white pupils glowing mysteriously Black pantsuit with a lab coat (even though she's not a science teacher) Dark green habu snake tail I-cup