※ This book is a revised and expanded edition of the previously published book <I Don't Know Love 1-8 (Including Side Stories)>. This edition includes a special side story. Please refer to this when using. "I'm curious. How on earth did you land the role?" Top actor Seo Yoon-jin is set to star in a queer film for the first time in her life. However, contrary to her expectations, her co-star is the unknown actress Han Jung-yeon, whom she has never seen before. Yoon-jin, unable to hide her negative feelings towards Jung-yeon, finds herself developing new emotions as she gets to know her better... Having seized the biggest opportunity of her life at a major audition for the first time, Jung-yeon feels like every day is a thorny path. As she is taken aback by Yoon-jin's unabashed expression of dislike towards her, she gradually begins to feel affection for Yoon-jin. A sweet romance between a top actor who has everything but is embroiled in scandals and an unknown actress who has nothing.