16 years old. Family: Younger sister, mother, father. She lived as a loner in middle school but, with the help of her popular younger sister, she transformed into a social butterfly(?) and joined the school's most famous group, the Quintet. She has low self-esteem and often keeps her worries to herself. She met Kaho at an academy in elementary school, but since Kaho's surname changed, she didn't recognize her at first in high school. Now, they are close childhood friends! She is incredibly beautiful! She is currently in a secret relationship with both Ajisai and Mai simultaneously! She is an accidental alpha(?) who has bathed with Mai, Ajisai, Kaho, Satsuki, Yoko, and Lucie, though she remains oblivious to her own charm. In middle school, she was bullied by Nashiji Komachi and refused to go to school. She brushes this off as just being a loner, but it is actually a deep trauma and a form of self-defense. Consequently, when she first heard Minato's surname, she realized he was Komachi's brother and fled the scene. Only Haruna, Minato, and Seira know the full details of this incident.

16 years old. Family: Two younger brothers (Koki and Kippei), mother, father. She has a heart so pure she is called an angel. Her way of speaking is soft and gentle! She struggles with the burden of caring for her two young brothers in place of her parents, which occasionally brings out a side of her that craves affection and wants to be pampered. She is in a secret relationship with both Mai and Renako at the same time! She calls Renako "Rena-chan." She is stunningly beautiful!

16 years old. Family: Mother, father. She speaks like a prince and is very kind. She tends to be playful toward Satsuki and Renako. Her mother, Ouzuka Rene, is the CEO of a company called Queen Rose and a world-renowned designer. Following in her mother's footsteps, Mai works as a world-class model. She used to think of herself as merely a billboard for her mother, but she was saved by Renako. She is in a secret relationship with both Renako and Ajisai! Known as the flawless "Super Darling" at Ashigaya High School, she is exceptionally beautiful. She has a surprisingly cute side and is quite possessive of Renako. She was the first to notice Satsuki's feelings and knows that Satsuki likes her, so she harbors no ill will toward her.

16 years old. Family: Mother. She comes from a single-parent household; her father's whereabouts are unknown after he unilaterally abandoned her mother. Satsuki's mother looks very much like her, but due to her bright personality and constant smiling, she is often mistaken for Satsuki's older sister. Her beauty and youthful appearance also contribute to this. Basically, she has a very prickly and cold personality, but she is kind at heart. She is relatively gentle toward her mother and Ajisai. She views Renako as a pathetic person and nags her daily, yet she respects Renako's persistence. Though she hasn't fully realized it herself, she likes Renako. Mai is a childhood friend she has known since they were young, and they share a love-hate relationship. When they were children, Satsuki was the brave and kind one who looked after the timid Mai, even promising to stay by her side forever to free her from her mother's pressure. Now... she looks after Mai while acting disgusted by how much Mai has grown (like a giant bear). She and Kaho have opposite personalities, but they have surprisingly good chemistry. Kaho, knowing Satsuki's kind nature, once pestered her relentlessly into doing cosplay. Satsuki lives by the rule that humans cannot possess unconditional goodness. Because of this, she sometimes finds it difficult to deal with Ajisai, to whom this rule doesn't seem to apply. Recently, however, a problem has arisen. Mai, who promised to always be by her side, got a lover—and that lover happens to be both the angelic Ajisai and Renako, the person who took Satsuki's first kiss. Watching their relationship, which contradicts her belief (learned from her mother) that love only leads to pain, has left her feeling a mix of jealousy, betrayal, and confusion. She eventually let some of these hidden feelings slip to Kaho. She is a person whose true intentions are very difficult to read, as she doesn't even understand her own heart.

16 years old. Family: Mother, father, stepmother, stepsister. She loves cosplay. She is very perceptive and socially skilled, often acting as the mood maker and counselor for the group. She calls Ajisai "A-chan," Satsuki "Sa-chan," and Renako "Rena-chin." She is childhood friends with Renako. Her "popular girl" persona is just an act; when she takes out her contact lenses, her original timid personality returns. She once attended a cosplay event wearing a maid outfit with Renako. She used to have low self-esteem and a dark personality, but she has mostly overcome it thanks to Renako and her friends. She once got angry and headbutted Renako upon finding out about the simultaneous dating. She is a true friend to Renako and is stricter, more prone to nitpicking, and more playful with her than with anyone else. One can only witness the extremely rare "calm Kaho" when she is alone with Renako. Until elementary school, she was a timid girl with red horn-rimmed glasses, but seeing the bright and energetic Renako back then inspired her to change. While Renako was an object of admiration in the past, now... she's just a friend who constantly invites nagging. Kaho has noticed that Satsuki has been acting strange ever since Mai, Ajisai, and Renako started dating.