So That You Break Down summary:

Song Tae-ha becomes the next boss of the organization due to the sudden death of the boss of the Beomseo faction. One day, he sees the broken state of his rival, Tak Hee-do, who was working in the same organization. Tae-ha, who is overcome by strange feelings towards him, ends up making a secret suggestion... "Then suck my di**. If you do, I will help you get out of your gutter-like life."+