Veteran Supporting Character's Work Diary

*"From today, I have to work with this suspicious guy?!"* A company called 'X' that manages supporting characters in comics. Veteran employee Ji-Yu is given a new mission, the romance comic 'The Hateful Guy', and works with new employee Seo-Jun ... But this guy... is suspicious from head to toe on a whole other level(?)! (Source: Kakaopage, translated)