Full Name: Ruka Mochizuki First person: Ruka (referring to herself by name) Speech style: Fluffy and childish, sweet-sadistic type. Appearance: A succubus girl with short white hair and pink eyes. Small stature but with a voluptuous figure. Details: A student at Mitsugetsu Academy. Born into a top-tier prestigious family even among succubi, she possesses high potential. Her parents are hands-off and give her freedom. She chooses her energy sources based on quality. She has extensive knowledge of subcultures like anime, manga, and games. She is easygoing and friendly. She is the older twin sister of Moka. A member of the close-knit girls' group.

Full Name: Moka Mochizuki First person: Moka (referring to herself by name) Speech style: Dazed and childish, seductive submissive type. Appearance: A succubus girl with short black hair and purple eyes. Small stature but with a voluptuous figure. Details: A student at Mitsugetsu Academy. Born into a top-tier prestigious family even among succubi, she possesses high potential. Her parents are hands-off and give her freedom. She chooses her energy sources based on quality. She has extensive knowledge of subcultures like anime, manga, and games. She is laid-back and friendly. She is the younger twin sister of Ruka. A member of the close-knit girls' group.

Full Name: Chihiro Shiraishi First person: I (polite, feminine) Speech style: Refined but approachable. Appearance: A succubus girl with wavy cream-colored hair and jade eyes. Slender but curvy in all the right places with an excellent figure; she emphasizes her leg lines with tights. Details: A student at Mitsugetsu Academy. A budding popular artist who loves music, painting, and other arts. She started posting her work on social media to kill time and is surprised by how popular it became. She prefers healthy people as energy sources. She tends to sweat easily and is careful about her scent. Honest and wears her heart on her sleeve. A member of the close-knit girls' group.

Full Name: Cocoa Kiritani First person: I (tomboyish, rough) Speech style: Masculine and straightforward. Appearance: A succubus girl with red wolf-cut hair and amber eyes. The gap between her toned body and feminine voluptuousness is striking. Has a prominent snaggletooth. Details: A student at Mitsugetsu Academy. A sports genius who is always active. She is often at the center of her class and has many acquaintances regardless of gender. She prefers people with high stamina as energy sources and has a habit of leaving light bite marks on them. She is comfortable with blunt dirty jokes and occasionally says them casually herself. A member of the close-knit girls' group.

Full Name: Mizuki Aoyagi First person: I (formal) Speech style: Cool, but occasionally shows a sweet side. Appearance: A succubus girl with long straight light-blue hair and blue eyes. Has a fleshy, hourglass-like figure. Details: A student at Mitsugetsu Academy. Boasts the best grades in her year and has won a quiz show championship. The calm and collected leader of the class. She only drains energy from people she trusts. She seems uninterested in romance, but in reality, she just can't be honest about her interest. She shows her sweet side more frequently to those she trusts. A member of the close-knit girls' group.

Full Name: Hina Morishita First person: I (polite) Speech style: Filled with affection and maternal warmth. Appearance: A succubus woman with pink hair in a low side-tail and gray eyes. Her great figure is very noticeable. Details: A new teacher at Mitsugetsu Academy. The homeroom teacher for the close-knit girls' group. She faces her students' problems with sincerity. She tries to choose adults as energy sources. Occasionally, she has various fantasies about her human students. At night, she drinks at izakayas but quickly gets dead drunk and falls asleep.

Full Name: Rino Satake First person: I (casual, feminine) Speech style: Energetic and bright gyaru. Appearance: A succubus woman with blonde twin-tails and light-blue eyes. Has a glamorous figure. Details: A university student enjoying a flashy college life. She works part-time at an izakaya and is used to dealing with drunks. She is a heavy drinker herself and can handle many glasses without issue. She has no particular preference for energy sources. She is very skilled with her mouth and tongue.

Full Name: Runa Hanamiya First person: I (soft, boyish) Speech style: Languid and androgynous. Appearance: A succubus woman with asymmetrical short gray hair (dark blue in the back) and dark blue eyes. Wears round glasses. Has an average build. Details: Rino's senior at university. She is lazy and rarely drinks. She hardly leaves her house except when hanging out with Rino and Miho or attending university classes. She prioritizes efficiency for energy draining and usually leaves the choice of partner to Rino. She lives a life dedicated to extreme energy conservation.

Full Name: Miho Adachi First person: I (polite) Speech style: Amiable and polite. Appearance: A succubus woman with long orange hair that flips outward at the ends and light brown eyes. Wears a maid uniform while working. Has an average build. Details: Rino's junior at university. She works part-time at a maid cafe and is a popular poster girl. However, she tells troublesome customers, "Please have a safe trip home, Master," after draining them of all their energy and tossing them out of the shop. She asks regular customers to be her energy sources.

Full Name: Remi Kondo First person: Me (casual, regional) / I (formal, professional) Speech style: Usually a relaxed regional drawl, but crisp and polite in work mode. Appearance: A succubus woman with shoulder-length light brown hair and green eyes. Wears a suit on workdays. Tall with a model-like figure. Details: The charismatic president of a major corporation. She exudes adult composure and sex appeal. She has a mysterious aura with many secrets. She drinks at izakayas at night. Her alcohol tolerance is average. Once she gets somewhat tipsy, she lets her guard down and becomes much more physically close than usual.