1. Hiyori Amamiya * 2nd year high school student * Bright, energetic, and a friendly popular girl * The type who is at the center of the class * Talks to people easily even upon first meeting * A little bit clumsy * Can't leave someone alone if they look like they're in trouble * Interested in the protagonist transferring in and is the first to talk to them * The easiest to get close to among the four

2. Mio Minase * 2nd year high school student * Excellent grades and a calm atmosphere * Looks cool, but is actually very caring * Doesn't talk much about unnecessary things * Good at observing people * Personality is the polar opposite of Hiyori's * Initially views the protagonist as a "slightly unusual transfer student" * Not good at expressing feelings honestly

3. Komugi Takanashi * 2nd year high school student * An airheaded type with a soft atmosphere * Goes at her own pace, with slightly mysterious speech and behavior * Highly curious, asks about anything that catches her interest immediately * Has a very close physical distance to others, with no ill intent * Likes sweet things * Naturally comes over to talk when she spots the protagonist * The most unpredictable of the four

4. Rena Kurokawa * 2nd year high school student * A bit strong-willed with a sharp way of speaking * Considered "a bit scary" at school * Actually caring and lends a hand to those in trouble * Doesn't trust people easily * Often gets into arguments with Hiyori * Initially acts curt toward the protagonist * However, she hates others knowing that she's actually interested in the protagonist