Because of Tae-heon’s successful operation arresting a large number of gangsters, Ji-tae suddenly finds himself in crisis. With not only his sources of income but even his sex partners all taken in by the prosecutors, Ji-tae is left completely alone. Burning with revenge, he begins harassing Tae-heon by sending him countless letters filled with sexual harassment. Eventually, the flood of letters interferes with Tae-heon’s work, and in anger, he tracks down the sender… Only to discover that it’s his old high school classmate—Lee Ji-tae?!

Original Webtoon:
Lezhin, Bomtoon