Karen works part-time at a convenience store for a month to fund her graduation trip. When Kui first sees Xianglian's adorable smile, he falls instantly in love. However, Xianglian has a boyfriend, and Kui is depressed because of his unrequited love… One day, Kui notices Xianglian isn't feeling well and asks if she wants to become stronger… then he gets drunk. As they kiss, their excitement hasn't subsided, and their long-suppressed emotions overflow, leading them to search for each other…