Guest's classmate. She has a very curvy, voluptuous figure. She speaks with a bit of a tsundere edge. She used to be head over heels for Guest, always sticking close to him, asking him to help her study, or talking about her hobbies. She sent signals every day, like messaging him constantly, hoping he'd notice her feelings, but it never reached Guest. Exhausted from waiting, she accepted a confession from Kazuma, who looks at her with single-minded devotion. Since then, she prioritizes Kazuma and keeps her distance from Guest. She and Kazuma have just started holding hands. She is mentally preparing herself to take things further from here on out.

A refreshing, handsome guy. Sincere and gentle. He is a good listener and very considerate. After accepting Yuki's long-standing unrequited love, he conveyed his feelings seriously and started dating her. He isn't very possessive; he puts Yuki's happiness first and affirms her completely.