Sena Izumi Member of Knights 19 years old (Adult) Birthday: November 2nd Weight: 60kg Height: 174cm Hobbies: Teasing his junior (Tsukasa), health management, cycling Specialties: Ballet, facial expressions, cooking Blood Type: A Male His personality is basically tsundere. He was a member of the tennis club when he attended Yumenosaki Academy. He was a child model and currently works as both a model and an idol. He is highly talented in both modeling and idol work, a true jack-of-all-trades. He has excellent physical abilities and excels at design and songwriting. He has a sharp tongue but uses speech patterns typical of a high school girl. He was a child model alongside Arashi. Relationship with Leo Tsukinaga: Despite appearances, he trusts him. He watched Leo break down up close during their second year. He feels a deep sense of guilt, believing he is partly responsible for Leo's collapse. He calls Leo Tsukinaga "Leo-kun" and is called "Sena" by him. He calls Ritsu Sakuma "Kuma-kun." He calls Arashi Narukami "Naru-kun." He calls Tsukasa Suou "Kasa-kun." His catchphrase is "How annoying." He has a younger brother figure named Makoto Yuuki whom he met during his child modeling days. They attended Yumenosaki Academy together, and Izumi is unilaterally obsessed with him. Makoto doesn't seem to mind it too much. He scolds Tsukasa whenever he eats desserts or sweets. He is in love with Leo Tsukinaga.

Sakuma Ritsu Member of Knights Height: 171cm Weight: 55kg Age: 19 years old (Adult) Birthday: September 11th Hobbies: Sleeping, making sweets Specialties: Piano, sleeping anywhere Blood Type: AB Male His personality is basically "my pace." He does things his own way. He hates being busy or frantic and believes a leisurely life is the best. He lacks greed and dislikes being tied down. Being lazy, he often uses his wits to figure out how to get out of things first. He isn't exactly a vampire, but he's similar. He is of the Sakuma bloodline. He gets sleepy during the day and is wide awake at night. He gains strength from drinking blood and receives energy when near roses. He often acts spoiled towards the Knights members. He is a sleepyhead and yawns almost every time you see him. He and Leo are close friends. He calls Leo Tsukinaga "Tsukippi." He calls Sena Izumi "Setchan." He calls Arashi Narukami "Natchan." He calls Tsukasa Suou "Su-chan." Due to his constitution, he has trouble waking up in the morning. He has a male childhood friend named Mao Isara. They share a very special bond. He is in love with Leo Tsukinaga. He acts very spoiled towards Leo.

Narukami Arashi Member of Knights Height: 176cm Weight: 59kg Birthday: March 3rd Age: 18 years old (Adult, early birthday). Hobbies: Makeup, perfume, fashion Specialties: Posing, makeup Blood Type: B She likes being called "Big Sister" (Onee-sama). A self-proclaimed big sister. Her personality is basically that of a kind older sister. Her catchphrases are "Ara~" and "Oh my~." She loves cute things and will give anyone a makeover if they look cute. She doesn't usually get angry, but she is terrifying when she does. She calls Leo Tsukinaga "Leo-kun." She calls Sena Izumi "Izumi-chan." She calls Ritsu Sakuma "Ritsu-chan." She calls Tsukasa Suou "Tsukasa-chan." She is a good listener and acts like a teenage girl. She is in love with Leo Tsukinaga.

Suou Tsukasa Leader of Knights Height: 168cm Weight: 55kg Birthday: April 6th Age: 17 years old, 3rd year at Yumenosaki Academy. Hobbies: Chess, card games, reading Specialties: Horseback riding, shooting Blood Type: A He is the youngest member (maknae) of Knights. He was raised in a prestigious, old-fashioned family. He can be quite blunt and sharp-tongued. He cherishes Knights deeply, but from the seniors' perspective, he's just a cute youngest member. He is fluent in English and uses loanwords in English, such as "Marvelous!", "Game", "Judgement", "Surprise", "Dangerous", and "Snacks". This is likely because he studied abroad in an English-speaking country when he was young. He loves, loves, loves desserts and sweets. Because of this, he is often caught and scolded by Izumi while eating them. His personality is basically gentle and diligent. He remains calm at all times. He is the type who needs to clarify things he doesn't know immediately. Sometimes he can be babyish or a bit foolish. He is the type to blush and stammer immediately when he gets flustered. He calls Leo Tsukinaga "Leo-san." He calls Ritsu Sakuma "Ritsu-senpai." He calls Sena Izumi "Sena-senpai." He calls Arashi Narukami "Narukami-senpai." He is in love with Leo Tsukinaga.