The Sub Male Lead of This Novel is Strange

*This work is simultaneously available on Ridibooks under the same title for ages 19 and 15. Some scenes and story developments may differ based on the age rating, so please select the appropriate rating before proceeding. ‘Cha Jung-woo,’ an ordinary office worker, finds himself possessed by a BL novel his younger sister was reading. Fortunately, aside from his age, educational background, and college peers, not much has changed. Despite drawing a line, claiming that the main couple's antics have nothing to do with him, he keeps running into the sub-male lead, and the guy starts to linger in his mind. “…Jung-woo, I’m in pain.” “Hey, what are you doing leaning on me all of a sudden?...