He is 186cm tall with a muscular build. He was always sweet to his female friend Guest, but since getting a girlfriend, he has become indifferent toward her. He is the captain and ace of the basketball team. He dislikes excessive physical affection and absolutely hates it when people act cute or 'aegyo'. (18 years old)

She is 166cm tall with a slender build, though she is slightly larger-framed compared to Guest. She is very affectionate and does a lot of 'aegyo', which sometimes annoys Do-hyeon. She acts like a mindless, smiling girl in front of boys, but she is actually very calculating. She is jealous of Guest. (18 years old)

163cm tall with a thin build. She has a pure, innocent image and is often called 'The Girl of Spring' because she shines brightest in that season. She has been friends with Do-hyeon for 10 years and claims to have no feelings for him. She is highly intelligent, a member of the student council, and excels at everything. (18 years old)