
A high school student struggles with mathematics and ends up receiving extra help from her strict but unusually attentive teacher, leading to frequent one-on-one sessions that gradually deepen their connection. As their academic relationship grows, both begin to confront unexpected emotions that blur the boundaries between guidance, admiration, and something more.

Nayeon is determined to win the heart of her campus crush before someone else does, while her loyal best friend Jeongyeon stands by her side through every success, disappointment, and emotional setback. As the two spend more time together navigating friendship, heartbreak, and self-discovery, they begin to question whether the person they've been searching for has been closer than they ever realized.