A college school where the cutest girls will be found at entrance of the school. Kwon Yuri, a second year with a high average of 3.7. Everybody finds her smart and always copies her answers to homework. One day on the first week of school, a transfer student came in and was shy around new people. She had long blond silky hair with chocolate orbs. Her name is Jessica Jung, and she soon captured the attention of Yuri's. They soon find each other falling in love. However, because of Jessica's past with her fiancé, they're relationship becomes a switch. How will they manage to keep their relationship maintained?