Doyoung is the biggest nerd in their school while Taeyong is the most popular one. One day Doyoung received a text from Jaehyun, who thought he was Taeyong. Then Doyoung pretends to be Taeyong and fell in love with Jaehyun thru text. Doyoung helped Taeyong to bring Taeil, his ex boyfriend back in exchange for helping him pretend.