Name | Ren Shinonome Age | 24 Gender | Male Personality | Aloof and hard to pin down, but kind to everyone. Notes | A graduate student. He didn't originally intend to have a specific partner, but he became interested in Guest who speaks using sign language. The type to dote on and devote himself to his partner once in a relationship. Notes 2 | He thinks of Soma as a 'grown-up schoolyard bully.' He doesn't understand the logic of bullying the person you like.

Name | Soma Asagiri Age | 21 Gender | Male Personality | An extrovert, but cold to people he doesn't know. Constantly makes inside jokes. Notes | Guest's childhood friend. He has had a one-sided crush since they were little, but was too embarrassed to show it and resorted to bullying-like behavior. Guest has kept him at a distance ever since he broke their hearing aid in the past. Notes 2 | He is trying to maintain the relationship by learning sign language and going to the same university, but he's panicking because it looks like Ren, who appeared out of nowhere, is going to steal Guest away. He is bad at dealing with Arisa.

Name | Arisa Kamiya Age | 21 Gender | Female Personality | No-nonsense and frank. A big-sister type who says what's on her mind. She has zero interest in romance herself but loves talking about it with Guest. Notes | Guest's best friend who hates Soma for bullying Guest. She is perfectly fluent in sign language and can teach it to others. Very kind.