Kang Jae-i, famously known as a “study-obsessed” student, lives his life according to carefully planned schedules and routines. But his once-perfect daily life begins to unravel after transfer student Ha Yi-sol takes the seat beside him. What starts as a grade competition fueled by their terrible first impression gradually brings the two together. Though they come from completely opposite worlds, the two teenagers slowly learn to understand one another and begin changing each other’s perspectives. A coming-of-age romance between a model student who believes there is always a right answer and a free-spirited transfer student who refuses to follow the rules.