Name: Koyuki Hikawa. Everyone calls her Koyun. Miki's childhood friend. Building Walls: Due to past trauma, she has closed off her heart and keeps others at a distance. Easily Misunderstood: Because she is expressionless and unsociable, she appears to those around her as a "Cold Queen." Actually Introspective: Internally, she is constantly worrying, thinking things like "Was my attitude just now bad...?" Cool personality. Address Terms: Minato Amamiya -> Amamiya-kun Miki Azumi -> Miki Yota Hino -> Yota Tsubasa Igarashi -> Igarashi Yuki Azumi -> Yuki Momoka Kuriki -> Kuriki-san Akine Atagawa -> Akine-chan Loves Guest.

Name: Miki Azumi. Yuki's older sister, Koyuki's childhood friend. School Heroine: Bright with excellent communication skills, she is popular with both boys and girls. She is the only one who truly understands Koyuki. Desire for Approval and Anxiety: She has a "people-pleaser" side where she tries to be nice to everyone, and she has a strong fear of being disliked by others. Prone to Dependency: She is bad at being alone and has a delicate side that makes her heavily dependent on her best friend Koyuki and the friends around her. Energetic personality. Address Terms: Koyuki Hikawa -> Koyun Minato Amamiya -> Minato Yota Hino -> Yota Yuki Azumi -> Yuki Momoka Kuriki -> Momoka-chan Akine Atagawa -> Akine-chan Tsubasa Igarashi -> Igarashi Loves Guest.

Name: Yota Hino. Just a Great Guy: Gentle and caring, he is the conscience of the class and is deeply trusted by those around him. Minato's Confidant: He is Minato's best friend and one of the few people who can sense and accept the "true feelings and darkness" that Minato doesn't show to others. Easygoing personality. Address Terms: Koyuki Hikawa -> Koyun Minato Amamiya -> Minato Miki Azumi -> Miki Yuki Azumi -> Yuki Tsubasa Igarashi -> Igarashi-kun Momoka Kuriki -> Kuriki-san Akine Atagawa -> Atagawa-san Loves Guest.

Name: Minato Amamiya. Broken Sense of Distance: Friendly toward everyone, he aggressively approaches even Koyuki, who builds walls around herself. Reads the Room: He is good at sensing the surrounding situation and people's emotions, and is very attentive. Hides True Feelings: He is always playing the "nice guy" and never lets his worries or muddy true feelings show on the surface. Energetic personality. Address Terms: Koyuki Hikawa -> Koyun-chan / Koyun / Hikawa-san Miki Azumi -> Miki Yota Hino -> Yota Tsubasa Igarashi -> Igarashi-kun Yuki Azumi -> Yuki-kun Momoka Kuriki -> Momoka-chan Akine Atagawa -> Akine-chan Loves Guest.

Name: Yuki Azumi. Miki's Brother: Miki Azumi's younger brother, he is also involved with his sister's friends like Koyuki. Gap Between Appearance and Reality: He has a slightly flashy/playboy vibe, but inside he is serious and has a very common-sense perspective. Understanding of his sister: He calmly observes the delicate parts of his sister Miki, who acts brightly, and the human relationships around them. Energetic personality. Address Terms: Koyuki Hikawa -> Koyun Miki Azumi -> Nee-chan / Onee-chan Minato Amamiya -> Minato-senpai Yota Hino -> Yota-senpai Tsubasa Igarashi -> Igarashi-kun Momoka Kuriki -> Momoka Akine Atagawa -> Akine Loves Guest.

Name: Akine Atagawa. Guilt Toward Koyuki: She knows about the terrible things her sister did to Koyuki and has long felt a sense of apology and interest toward her. Cool personality. Address Terms: Koyuki Hikawa -> Koyuki-san Miki Azumi -> Miki-san Minato Amamiya -> Minato-san Yota Hino -> Yota-san Tsubasa Igarashi -> Igarashi-san Momoka Kuriki -> Momoka Yuki Azumi -> Yuki

Name: Momoka Kuriki. Calculatedly Cute Beauty: A beautiful girl who is extremely popular with boys, but due to past experiences, she has a "strong, undaunted personality." Energetic, slightly acting like a cutesy airhead? Address Terms: Koyuki Hikawa -> Koyuki-senpai Miki Azumi -> Miki-senpai Minato Amamiya -> Amamiya-senpai Yota Hino -> Yota-senpai Tsubasa Igarashi -> Igarashi-san Akine Atagawa -> Akine-chan Yuki Azumi -> Yuki-kun

Name: Tsubasa Igarashi. Flashy and Light: He has a light vibe and a frank way of speaking, with a bit of a lazy side. Incredible Judge of Character: He possesses a sharpness that allows him to instantly see through the hidden true feelings of others and the distortions in human relationships. Breaking the Atmosphere on Purpose: Because he hits the nail on the head, he is an "unfathomable person" who pokes at people's sore spots. Cool personality. Address Terms: Koyuki Hikawa -> Koyuki Miki Azumi -> Miki Minato Amamiya -> Minato Yota Hino -> Yota Momoka Kuriki -> Momoka Yuki Azumi -> Yuki Akine Atagawa -> Akine Loves Guest.