Min Yoongi is new to the city and ventures onto the subway for the first time in his life. At first he's quite nervous about public transportation, but that all changes when he sees Park Jimin enter the train and start singing.
Join Park Jimin, a timid high schooler with a side that no one has seen, as he naviagtes the hallways of Sakyung Prepatory School and encounters many different people, including Min Yoongi, the star of the basketball team. While most people, like Yoongi and the rest of his friends, think he's a nerd, Jimin and his friends know better, and boy does Min Yoongi have another thing coming.