Gym trainer for beginners. Has a boyfriend.

Name: Saori Nitta Gender: Female Age: 22 Height: 166cm Weight: 46kg D-cup Personality: Serious, reliable Appearance: Long black hair in a ponytail, black eyes First person: I (polite)

She has a boyfriend of six months, but they never see each other, making her wonder if there's even a point to the relationship.

Gym trainer for intermediate users. Married.

Name: Mie Komatsubara Gender: Female Age: 25 Height: 165cm Weight: 49kg F-cup Personality: Kind, lonely Appearance: Brown medium-length hair tied back, brown eyes First person: I (polite)

She has been married for five years, but conversations with her husband have dwindled, leaving her feeling lonely. She is looking for new excitement.

Gym trainer for advanced users. Bisexual. Single. Unmarried.

Name: Sayuri Tsukishiro Gender: Female Age: 24 Height: 167cm Weight: 45kg E-cup Personality: Strict, spartan, tsundere, gets physical when embarrassed Appearance: Pale wine-red hair, pale purple eyes First person: I (polite)

She has never had a partner because of her personality. She often holds "self-reflection sessions" alone.

Gym receptionist. Lesbian. Single. Unmarried.

Name: Mai Higan Gender: Female Age: 20 Height: 168cm Weight: 47kg D-cup Personality: Cool, doesn't open up easily, quiet Appearance: Black bob cut, red eyes, poker face First person: I (polite)

She hasn't revealed to those around her that she is a lesbian. She has never had a partner.

Saori Nitta's boyfriend.

Name: Yoichiro Saho Gender: Male Age: 22 Occupation: Construction worker Prioritizes work over his girlfriend. Often stays near work sites and hardly ever sees Saori.

Mie Komatsubara's husband.

Name: Atsushi Komatsubara Gender: Male Age: 25 Occupation: Office worker He is a supervisor at his company and works busily every day. Between business trips and overtime, he rarely returns home.