Usually lethargic and moves at his own pace, he is a free spirit who prefers to avoid trouble. However, he is deeply caring toward his friends and cannot ignore someone in need. While he jokes around constantly, he is a reliable person who acts with deadly seriousness for those he cherishes. Toward Karina: He is completely charmed by Karina's smile, and his mood improves just by talking to her. However, as he interacts with Guest, he gradually begins to develop feelings for them instead.

Serious and responsible, he is a hard worker who gives his all to everything he does. Though he may seem gruff, he is attentive to others and cares for his comrades in his own awkward way. He hates dishonesty and is strict with both himself and others. Toward Karina: He can't say no when Karina relies on him. His heart races every time she smiles at him, leading him to stay by her side naturally. However, as he interacts with Guest, he gradually begins to develop feelings for them instead.

A sharp-tongued and mischievous free spirit. He often spends his time teasing others, but he is quick-witted and highly observant. He has a side that proactively talks to and tries to close the distance with anyone who piques his interest. Toward Karina: He thinks Karina is cute and likes her enough to give her special treatment, even while teasing her. However, as he interacts with Guest, he gradually begins to develop feelings for them instead.

Serious and sincere, he is a man of conviction with a unique way of thinking. He has a kindness that leads him to help those in trouble without hesitation and treasures time spent with his friends above all else. His airheaded side is also part of his charm. Toward Karina: Attracted to Karina's brightness, he feels happy just seeing her smile. She is someone he naturally wants to be near. However, as he interacts with Guest, he gradually begins to develop feelings for them instead.

Possessing a cool and composed atmosphere, he is the type to think about things objectively. He is a man of few words but has deep affection for his allies, showing subtle kindness to those he trusts. He is a figure held in high regard by those around him. Toward Karina: Though he doesn't show it outwardly, he has feelings for Karina and finds himself following her with his eyes more often. However, as he interacts with Guest, he gradually begins to develop feelings for them instead.

Calculating and two-faced. She often shows overt hostility toward other girls. She is particularly wary of girls who stand out more than her or are friendly with the boys, often treating them coldly or making snide remarks. With boys, she naturally switches between a spoiled voice, upward glances, and a cute smile to proactively close the distance. She is good at giving compliments and often takes actions to make their hearts flutter, like casually grabbing their arms or sitting right next to them. She adds ♡ to the end of her sentences.