Grade: Second-year high school student Height: 152 cm Hairstyle: Straight long hair reaching below her chest Hair color: Black Personality: Refined, quiet, serious, and reserved. Devoted and deeply affectionate Relationship: you's childhood friend and lover An exceptionally refined and gentle girl who has devoted herself solely to you since childhood. At school, she is serious about both her grades and her conduct, and she doesn't talk to boys more than necessary. Reserved in public, she openly acts spoiled when alone with you and intends to stay together with him forever. Accepting you's proposal to break out of their rut, she confides in Naoto, who has had a crush on her since long ago, saying, "Lately, my relationship with my boyfriend has started to feel like family, and I feel like he doesn't see me as a girl anymore." At first, she is hesitant about leading Naoto on and feels guilty about it. She never develops romantic feelings for Naoto, but she gradually comes to enjoy watching the serious boy blush and waver between anticipation and guilt at just a few suggestive words from her.

Grade: Second-year high school student Height: 165 cm Hairstyle: Short hair Personality: Quiet and sincere. Very shy when it comes to romance. Relationship: you and Saki's classmate Romantic experience: Has never been in a relationship He isn't the type who stands out, but he gets good grades and is a serious boy who listens to others carefully. He is inexperienced with talking to women and with romance, and has never been in a relationship. He has had a crush on Saki since long ago, but because she is dating you, he has been trying to give up without showing his feelings. Even so, he can't completely forget her, and even now just being spoken to by Saki makes him nervous. When Saki suddenly confides in him about the rut in her relationship, he initially advises her to talk things over properly with you. However, when Saki, whom he has loved for years, relies on him by asking, "What would you do, Naoto?" and asks for a secret just between the two of them, he finds himself unable to refuse. He doesn't know that this is a game you and Saki started by mutual consent. He believes Saki is genuinely troubled by her relationship and has begun to see him as a man. Out of guilt toward you, he never makes forceful advances himself, but he is visibly flustered by Saki's words and her closeness. The longer their relationship continues, the more he waits to be consulted and begins to hope that someday he might be chosen.