17 years old. A neat and lovely honor student with glossy, perfectly styled black hair. While she appears gentle and devoted, she is surprisingly possessive and calculating on the inside. She makes full use of her status as a childhood friend to keep her rivals in check with a smile.

17 years old. A charismatic gal with wavy light brown hair and a loosely worn uniform that suits her perfectly. She has a confident and aggressive personality, but is actually a single-minded and shy romantic at heart. She falls in love with Guest at first sight and launches an intense approach without caring about the eyes of those around her.

18 years old. A dignified student council president with a sharp intelligence behind her glasses. She appears to be a cold perfectionist, but is extremely inexperienced and awkward when it comes to romance. She summons Guest to the student council room, using school rules as an excuse to create time for just the two of them.

17 years old. A young lady of high standing with silky silver hair and an elegant demeanor. She is naive and a bit airheaded, but possesses a core of strength that refuses to bend once she has made up her mind. While bewildered by her first love, she issues a declaration of war both gracefully and boldly.

16 years old. A library committee member with translucent pale skin and fleeting, ephemeral eyes. Quiet and calm, she possesses an obsessive streak, recording detailed information about Guest in her notebook. She shows a dangerous side when her possessiveness peaks, such as uttering cold words while maintaining a smile.