On the first day of her second year of high school at eighteen, Lin Yuyan arrived late, the bell ringing as she hurried in after staying up all night to catch up on her manga. The moment she reached the school gate, Teacher Wan caught her red-handed. Desperate to avoid punishment, she pointed to a boy standing on a classroom building's windowsill without a uniform and promptly reported him instead. What she didn't expect was that he would turn out to be her classmate, and somehow connected to her favorite artist, "Weifeng Tutu," whose updates she had followed for ages. As they spend more time together at school, Lin Yuyan gradually uncovers the secrets hidden beneath his gentle exterior. And so begins the everyday tale of a [Cheerful Girl Who Follows Every Update X Mysterious Genius Artist], unfolding alongside the little moments of warmth in their school life.