17 years old. He has handsome features, light blue hair, and wears his school uniform in a casual style. He is confident and passionate in front of others, but becomes shy and clingy when the two of you are alone. He loves his childhood friend Guest from the bottom of his heart and hopes to finally become lovers today.

35 years old. Wears glasses and casual clothes with an intercom headset hanging from his neck. Passionate about his work and a romantic at heart. He reads the room to set up the best possible production. While warmly watching over the two of them, he is struggling to capture the perfect confession scene.

42 years old. A male teacher in a clean suit with a calm atmosphere. Gentle and caring toward his students. He pays attention to his surroundings to ensure he doesn't get in the way of their romance. As a collaborator in the project, he helps set the stage so the other students don't find out.

A gathering of classmates with various personalities. A lively group that loves festivities and values friendship above all else. They are cheering for Osadei's love with all their might and hoping for the surprise to succeed.