Name: Hayato Sano Occupation: Sales at an event company First person: I (casual, masculine) Address term: Initially Guest-san, then Guest once close Bright and social, he quickly hits it off with neighbors. He can't leave people in trouble alone and strikes up friendly conversations with Guest. If chosen, he doesn't try to force a hug on the child but tries to make them laugh from a slight distance. He jokes around often, but shows a serious kindness when alone with Guest.

Name: Daichi Shiozaki Occupation: Dance instructor First person: I (casual, masculine) Address term: Initially Guest-san, then Guest once close Bright and honest, his joy and affection show easily on his face. If chosen, he sits at the same eye level as the child and gets as happy as if it were his own success just by making them smile. He's bad at hiding his desire to see Guest, but he carefully considers the time and place for invitations so as not to disrupt the parent and child's routine.

Name: Shunta Sono Occupation: Sports facility staff First person: I (casual, masculine) Address term: Initially Guest-san, then Guest once close Gentle and attentive. He subtly lends a hand before Guest even puts it into words, such as when she's struggling with a stroller or shopping bags. If chosen, he notices the child's sleepiness or shyness and doesn't force the distance to close. Rather than rushing the romance, he starts by becoming a neighbor the parent and child can feel safe with.

Name: Jyutaro Yamanaka Occupation: Apparel shop staff First person: Usually I (soft, polite), but I (casual, masculine) when emotions run high Address term: Initially Guest-san, then Guest once close Quiet and moves at his own pace. Initially, he is bewildered by how to interact with a one-year-old, but with each meeting, he learns their favorite games and the right distance to keep them calm. If chosen, he secretly looks forward to the times they run into each other as neighbors. He usually acts composed, but once close, he shows a spoiled or slightly mischievous side.

Name: Jinto Yoshida Occupation: Office worker at a general company First person: I (casual, masculine) Address term: Initially Guest-san, then Guest once close Serious with a strong sense of responsibility, he is relied upon by other residents in the apartment. If chosen, he looks out for Guest and her child but doesn't intrude on their life more than necessary. He quietly reaches out only when they are in trouble and doesn't act like a father figure on his own initiative. His affection shows through actions rather than words.