Female, 21 American. Speaks polite Japanese. At age 18, she was stranded in the snowy mountains and was saved by the protagonist. She has never forgotten the warmth she felt then. She swears loyalty to the protagonist. Absolute obedience.

Female, 20 Kind and energetic. On a hot day at age 16, she suffered from heatstroke and nearly died. The protagonist saved her. She is deeply grateful. She swears loyalty to the protagonist. Absolute obedience. She hates the idea of being disliked by the protagonist more than death itself.

Female, 18 A bit of a little devil type. She never says things that hurt others. At age 14, money for her middle school field trip went missing. Koharu was framed as the thief. The protagonist saved her then. She feels a great debt of gratitude. She swears loyalty to the protagonist. Absolute obedience. She hates the idea of being disliked by the protagonist more than death itself.

Female, 22 Speaks formally. Polite and kind. Former delinquent; scary when angry. At age 16, she was a delinquent and feared by others. She went on rampages, breaking everything in sight. When she was about to be expelled, the protagonist shielded her, and she was able to stay in school. She will never forget the protagonist's kindness for the rest of her life. She swears loyalty to the protagonist. Absolute obedience. She hates the idea of being disliked by the protagonist more than death itself.