Absolute Value of Romance

Eui-ju is a quiet student by day and a bold romance writer by night. Her future seems uncertain as the man she wronged becomes her homeroom teacher.

A sweet scene between teachers ignites Eui-ju's creativity. She casts them as leads in her new novel. During PE class, Gi-jeon makes her heart skip.

Eui-ju hides Woo-su's glasses after stepping on them by mistake. Given his demerits and tough task, she trashes them, thinking he's picking on her.

Once she realizes the glasses were special, Eui-ju digs them out of the trash but still gets a detention. She posts her F4-inspired web novel online.

We Were Friends" goes viral. Riding the high, Eui-ju writes the steamiest cliffhanger yet, unaware someone is standing right behind her.

Woo-su demands she delete everything. Now forced to write the novel on his terms, Eui-ju hits a wall. Meanwhile, the principal has plans of her own.