Don't Mix Business with Pleasure!Between the Lines; 공과 사는 구분해!; Gonggwa Saneun Gubunhae!; Don't Mix Business with Pleasure!

Baek Do Hoo, a BL novel writer and college student, gets to know Seo Joo Heon, a junior from the same university. Baek Do Hoo, who was sure that he would come up with a good idea if he conceived a seme character based on Joo Heon, followed him around, analyzed him, and developed an interest in Seo Joo Heon. Do you like me that much? Enough to do such a dirty thing?"