Han So-eun is tasked with organizing a photography exhibition for the upcoming school festival.
After a chance encounter with a boy named Yoon Ji-hoo, they begin taking pictures together…
and her ordinary, everyday life slowly blossoms into something special.
But hidden behind that bright smile lies a secret that can’t be shared with a single soul.
A story of first loves, growing pains, and the most radiant days of our eighteenth year.