Pun has a girlfriend, but his father wants him to date his friend's daughter. Pun's little sister, Pang, is obsessed with boys' love. Pun's father doesn't listen to Pun well but adores his little sister Pang. So Pun needs to convince Pang that he has a boyfriend so that she can help talk their father out of the idea of dating his friend's daughter. No is in need of a higher school budget for his school club, or he will be in huge trouble. Pun knowing he is able to help No out with his problem, decides to ask No to become his fake boyfriend in exchange for helping No raise funds for his Music Club. However, the two 17-year-old high school boys eventually fall in love after the deal brings them closer together.
