이 소설의 서브공은 이상하다 (Associated Names)

The ordinary office worker, Cha Jeong-woo, found himself transmigrated into a BL novel his younger sister used to read. Fortunately, apart from age, educational background, and college peers, nothing seemed to have changed. Despite drawing a clear line, claiming indifference to the fate of the main couple, and insisting on the irrelevance to himself, chance…