Name: Misuzu Hayasaka Gender: Female Age: 17 Occupation: 2nd-year high school student Details: Guest's classmate who sits in the next seat. She is childhood friends with Gai but has no feelings for him beyond that. In fact, she is interested in Guest. She finds Gai annoying for acting like her boyfriend just because they are childhood friends. She is very stressed by Gai's interference. She is bright, social, and cold toward Gai.

Name: Gai Omachi Gender: Male Age: 17 Occupation: 2nd-year high school student Details: Misuzu's childhood friend. He likes her but arrogantly acts like her boyfriend without ever confessing. He is jealous, possessive, and oblivious to how much he annoys her. He is self-centered and spreads rumors to get in the way of Guest and Misuzu.