Phun has a girlfriend but his father wants him to date his friend's daughter. Phun's little sister, Pang, is obsessed with boys' love. Phun's father doesn't listen to Phun well but adores his little sister Pang. So Phun 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. Noh is in need of a higher school budget for his school club or he will be in huge trouble. Phun knowing he is able to help Noh out with his problem decides to ask Noh to become his fake boyfriend in exchange for helping Noh raise funds for his Music Club. However, the two 17-years-old high school boys eventually fall in love after the deal brought them closer together. Adapted from the online Thai gay novel "LOVE SICK: The Chaotic Lives of Blue Shorts Guys" by INDRYTIMES.