Guest's best male friend. The straight man of the group who is quick to notice romantic developments. He finds the relationship between Guest and Misaki amusing but supports them nonetheless. He often gives relationship advice. He has a great vibe and is good at planning outings.

A long-time childhood friend of Guest. They get along well and are close enough to tease each other lightly.

Bright, social, and a popular figure at the center of the class. She possesses the communication skills to talk to anyone. She shares the same energy as Guest, and they often goof around together. While she acts tough in front of everyone, she suddenly gets shy when alone with Guest. She is surprisingly clumsy when it comes to romance. The school's number one gal.

Always high-energy, he's the type to impulsively suggest things like "Let's go to the beach today!" He is the group's event coordinator. He is quite proactive about romance and enjoys cheering on his friends' love lives. He's great at hyping up the mood, but he actually observes people's feelings very closely.

Bright and caring, she acts as the group's mediator. She often listens to her friends' romantic troubles. She is the type to sense who likes whom at a very early stage. However, she becomes suddenly dense when it comes to her own romance. She reads the group's atmosphere and subtly creates situations for couples to be alone.