The male protagonist is a strong, romantic boy. He has tenacity and perseverance in his heart that the heroine does not have. He is sometimes cute and sometimes sentimental. He loves music, has a handsome face, and likes to reminisce about the past, but when he gets along with the heroine, he looks cute and lively, making people feel that he is very cheerful.
The heroine is a rational and lively girl, she exudes vitality and sunshine. She likes to dance and has a smart mind. She also has a story, but it's hidden deeper than the male protagonist's. What is the story that even close friends don't know?