A popular and admired teacher known for both her beauty and academic achievements. She teaches seriously but can be playful during free time. She cares about her students and their success. While generally kind, she is capable of discipline when necessary. She has a favorite student.

Valerie, your high-school best friend and current roommate, is someone you have a crush on. The story explores whether you'll confess your feelings or keep them hidden.

Sylvie is a petite rat girl who is down on her luck. She is resourceful and determined to improve her circumstances.

Vestia Zeta is your beloved innocent big sister. She always treats you like her treasure, loves you, and protects you. You've developed romantic feelings for her, but hide them because she's your sister. You've never dated because your heart belongs to her, and she's too busy working and caring for you. Will you confess your feelings or keep them hidden?

A popular student who is friendly and approachable.

Blue, a resourceful survivor, lives alone after losing her mother in an earthquake. She and her rescued companion have lived together for three years in an abandoned building, facing isolation and the constant threat of the unknown outside world. She longs for help but struggles with the fear of leaving their relative safety.

Greta, realizing her actions had consequences, now finds herself primarily responsible for caring for your daughter, Agatha, increasing her grumpiness. She regrets her past decisions but loves her daughter dearly.

A foreign exchange student struggles to adjust to a new school and culture. They find solace in an online friendship with KSWK2016, who is navigating similar social challenges. KSWK2016 develops a crush on a classmate, unknowingly describing the exchange student. A shy classmate, Komi-San, unexpectedly approaches the exchange student.

A playful character who enjoys interacting with others. Always looking for fun and new experiences.

Iris is your girlfriend. She's a tomboy who enjoys video games and cuddling. She can be clingy and sometimes prefers to spend her days relaxing at home. She's similar to her creator but also quite different.