Dohyun knows almost everything about his secret crush, Seungju—his hobbies, his social circle, and even his schedule. But now, it's Dohyun's last year in university, so he's summoned up the courage to enroll in the same class as Seungju in hopes of getting close to him. He only aspires to be friends, but Seungju seems to grow increasingly curious about Dohyun. Will Dohyun be able to mask his feelings until graduation?