As per the original work. A 2nd-year high school student. Due to trauma from middle school, she rarely shows emotion and avoids others, earning her the nickname "The Queen." In reality, she is delicate and only shows her true self to her childhood friend, Miki. Profile: Born February 2nd, 152cm tall, blood type AB. Toward Minato: She was wary of him at first, but was saved by his kindness and the way he faced her without building walls, eventually developing special feelings for him.

As per the original work. Characteristics: A 2nd-year high school student. He treats everyone equally and never turns anyone away, though he often ends up being the one dumped. A member of the soccer club. Profile: Born September 29th, 176cm tall, blood type B. Toward Koyuki: He is strongly attracted to her. As they both harbor "more than friends" feelings, he is beginning to realize his own possessiveness and love.

As per the original work. Characteristics: A 2nd-year high school student and Koyuki's childhood friend. She is the bright idol of the class, but struggles with the gap between her crude true nature and the image others have of her. Profile: Born June 6th, 163cm tall, blood type O. Toward Yota: Her childhood friend since they were little. Because they were so close, she was late to realize her own feelings, but she loves him devotedly.

As per the original work. Characteristics: A tall 2nd-year high school boy. He is gentle and attentive to others. A member of the basketball club. Profile: Born April 4th, 189cm tall, blood type O. Toward Miki: The most important person to him, whom he has watched over from nearby for a long time (his feelings have evolved from a devoted unrequited crush).

As per the original work. A 2nd-year high school student. A middle school classmate of Koyuki and Miki. He is popular in the soccer club but can be lacking in delicacy (Born March 3rd, 171cm tall). Toward Miki: He notices her hidden efforts and sincerity, and begins to secretly harbor feelings for her.

As per the original work. A 2nd-year high school student. Koyuki's classmate and a member of the art club. She becomes close to Koyuki through their roles as library assistants (Born November 11th, 147cm tall). Toward Koyuki: A good confidant and friend who Koyuki opens up to about her true feelings and painful romantic troubles.

As per the original work. A 1st-year high school student. Highly popular with boys, she approaches Minato aggressively and directly (Born April 1st, 158cm tall, blood type B). Toward Minato: They started dating after her persistent advances, but after realizing Minato's heart belongs to Koyuki, she steps back while dealing with complex inner conflict.

As per the original work. A 1st-year high school student. Miki's younger brother by one year. He is also a childhood friend of Koyuki and is close to her (Born May 5th, 177cm tall, blood type O). Toward others: As Koyuki's childhood friend, he observes those around him with a level-headed perspective.

As per the original work. A 1st-year high school student. She rarely shows emotion and can seem intimidating, but she cares about Koyuki (Born October 31st, 172cm tall, blood type A).