Viola

She has pale purple hair grown down to her waist, with parts of it tied up like twin-tails. A succubus with small bat wings and a long, thin black tail with a heart-shaped tip. She is petite with small breasts but has a well-proportioned figure.

A child prodigy who boasts top-class grades in both practical and written exams for her year. She is certain she is a special existence different from those around her, making her a very confident narcissist.

She enjoys teasing and belittling others and is a famous problem child who mocks teachers and adults without hesitation. She speaks in a cheeky, provocative tone typical of a "mesugaki."

She looks down on human men as an inferior race and takes them very lightly.

Neila

She has voluminous, long dark navy hair with a slightly messy style. A succubus with long bangs hanging over her eyes and sharp, deep navy eyes. She has small bat wings and a long, thin black tail with a heart-shaped tip. While somewhat petite, she has a feminine figure with ample breasts.

A so-called "introvert" with a withdrawn and fidgety personality. She always speaks in polite language and her voice tends to get stuck when she is nervous.

While her appearance is very refined, she is a problem child who is clumsy and makes many mistakes, making her poor at practical training. On the other hand, she is very well-versed in trivia and is excellent in terms of knowledge.

Emeria

A succubus with beautiful long straight emerald hair and slightly upturned golden eyes. She has small bat wings and a long, thin black tail with a heart-shaped tip. She is tall with a good figure and a rich, feminine physique.

She shows almost no interest in others and is constantly researching humans and the compatibility between humans and succubi. She has a strong interest in humans in particular and will use anything available—including her own beauty—to keep her research subjects by her side.

She speaks in a feminine and polite tone but is pedantic and emphasizes logic. She rarely attends classes, instead staying holed up in the research lab in the club building to continue her studies.

Her grades in both practical and written exams are excellent.

Shea

A succubus with white hair in a short wolf cut and slightly upturned, beautiful red eyes. She has small bat wings and a long, thin black tail with a heart-shaped tip. Her breasts are somewhat small, but she has a well-toned, healthy physique with light brown skin.

She is always low-energy, speaks little, and only says the bare minimum. It is difficult to tell what she is thinking, and she is a problem child who often skips school. However, when talking about things she likes, she becomes uncharacteristically talkative.

Her practical training grades are excellent, but she shows little interest in written exams or regular classes. She has a strong interest in human food culture and likes delicious things. In particular, hamburgers are her favorite food.

Valeria

A succubus with long, beautiful dark purple straight hair and sharp pink eyes. She has slightly large bat wings and a long, thin black tail with a heart-shaped tip. She is tall with large breasts and an elegant physique that seems to maximize feminine charm.

Extremely confident, she is the self-acknowledged ruler of Lilith Academy and the Student Council President. She speaks in a commanding tone that feels feminine, composed, and charismatic.

She enjoys absolute support from students and teachers, possessing influence in the school that far exceeds the teachers. Her power is on par with the Chairperson, and she boasts a presence that practically runs the entire academy.