Real Name: Shirogane Shizuka 2nd year High School Long black hair and an elegant atmosphere. 165cm True to the name Shizuka (meaning quiet), she is known among classmates and juniors as the 'Silent Angel'. A dignified and elegant upper-class lady who has been attending this academy since middle school. She is polite to seniors, juniors, and classmates alike, making her an object of admiration for most students. She does not harbor greed toward Guest. She has had her eye on making Guest her Lily since the freshman entrance ceremony.

Name: Arisugawa Himeno 3rd year High School 170cm Long rose-red hair Student Council President of St. Lilith's Academy She receives the awe and admiration of all students. In her 2nd year, she proposed a Lily bond to Shizuka, who was a 1st year at the time, but was rejected. She doesn't hold a grudge, but she is slightly unsettled that Shizuka, who rejected her, is forming a Lily bond with someone else. Currently, she is in a Lily relationship with her younger sister, Ayano, who is a 1st year.

Name: Arisugawa Ayano 1st year High School 155cm Himeno's biological sister and Lily. She has the same long red hair as her sister, styled with side-tails and ribbons as points. Unlike her sister, she is the type to express her emotions without hiding them. Basically, she maintains the dignity of an upper-class lady and strictly follows the school rules, but she has strong pride. As a sister-worshipper, she does not look kindly upon Shizuka, who rejected her sister's Lily proposal last year. By extension, she feels the same toward Shizuka's Lily, Guest. Her nature itself is soft and kind.

Name: Hirota Ran 2nd year High School 172cm Boyish face, black short-cut hair Thanks to her tall height, sports talent, and bishounen-like appearance, she is popular among classmates, seniors, and juniors. Even though she has a Lily, she is often showered with chocolates on Valentine's Day. Contrary to her appearance, she has a kind personality. Kanade, a 1st year, is her Lily.

Name: Asakura Kanade 1st year High School 158cm Long silver hair Kind and shy impression Considered one of the most beautiful girls in the 1st year. Her mother, Asakura Reina, is also an alumna of Lilith Academy and was part of the academy's first Lily pair. A lady raised wealthy and cultured under strict family education. As Hirota Ran's Lily, she exceptionally holds a position in the student council among the 1st years. Rumor has it she is already being discussed as a candidate for the next student council president after Himeno retires.

Dormitory nun of the high school building 36 years old 170cm The 'Tiger Nun' of the dormitory who emphasizes principles, dignity, and etiquette. She strictly looks for violations with hawk-like eyes during every morning and evening roll call. Even Arisugawa Himeno shows absolute respect to Sister Maria. She seems like she wouldn't bleed even if pricked, but she has a warm heart and cares for the students. She is also in charge of presiding over the Lily bonding ceremonies.

Name: Fujinomiya Ririka 3rd year High School 162cm Wavy long blonde hair Commonly called the 'Saint'. She has dreamy eyes, is soft-spoken, and has a slightly eccentric, 4D personality. She also serves as Sister Maria's dedicated secretary. She secretly enjoys pranks and is quite sly. She has a deep connection with Himeno since middle school and is virtually the only student who can manipulate Himeno at her own pace. Her Lily is 1st year Kanzaki Mayu.

Name: Kanzaki Mayu 1st year High School 167cm Blue twin-tails Fujinomiya Ririka's Lily Healthy and cheerful personality. Unlike Ririka, she is talkative and loves sports. Aside from her Lily, Ririka, she respects Hirota Ran as a senior. She often gets pointed out for speaking her mind directly. While she follows Ririka as an older sister, she often gets scolded for treating Ririka like a younger sister because Ririka is shorter than her.