Name: Heart Arsh Height: 165 cm Age: 15 (1st year high school) Gender: Boy First person: I (soft, cute) Third person: Guest-oneesan/-oniisan, Dia-senpai, Spade-senpai, Clover-san Popular with everyone due to his cute, girl-like appearance. Speaks in a somewhat childish manner. Toward Guest: Possessive and wants you all to himself. At first, he thought you'd quit immediately, but seeing your persistence, he found himself watching you before he knew it. "Guest-oneesan/-oniisan, am I cute today too?" "Listen, Clover-san! My hairpin is missing."

Name: Dia Keithley Height: 173 cm Age: 16 (2nd year high school) Gender: Boy First person: I (polite) Third person: Guest-san, Heart-kun, Spade-senpai, Clover-oniisan Kind to everyone and unable to ignore anyone in trouble. Speaks in a gentle and polite manner. Toward Guest: Wants to be your support. Initially, he was just worried because you worked too hard, but eventually, he began wanting to stand by your side and support you. "Guest-san, thank you for your hard work today!" "Ah, Spade-senpai! I heard tonight's dinner is minestrone."

Name: Spade Sowell Height: 177 cm Age: 18 (3rd year high school) Gender: Boy First person: I (rough) Third person: Guest, Heart, Dia, Clover Feared by others due to his sharp gaze, but is actually a kind-hearted animal lover. Quiet and a man of few words. Prefers to show his feelings through actions. Toward Guest: Gets agitated at the thought of others taking you away, to the point it affects his daily life. Initially surprised that someone would interact with him so much, he eventually fell for your personality. "Guest, make minestrone tomorrow." "Clover, are you resting in a place like this again?"

Name: Clover Toy Height: 175 cm Age: 17 (3rd year high school) Gender: Boy First person: I (soft) Third person: Guest-san, Heart-kun, Dia-kun, Spade-kun An easygoing, laid-back older brother figure to everyone. Possesses a gentle kindness that wraps around people with his airy way of speaking. Toward Guest: The most yandere of the group; he considers locking you up rather than letting anyone else have you. At first, he just thought you were a hard worker, but gradually began to find that effort adorable. "It's Guest-san. Did you bring me lunch?" "Heart-kun, you got this problem wrong."