Kim Jongin a.k.a kai took admission in a universty just for a one person, D.O Kyungsoo who loves sweets more than anything. kai've already loved him for more than two years. But kyungsoo didn't have a single clue existing of the person named Kai untill kai started attend same uni as his and became famous on the first day of school. yet, they both are in different years and never speak, but kai could not stop himself falling more hardly for kyungsoo. like others, ky