Burns

Nathaniel has lived all his life as the second son of a wealthy mafia family when his older brother (the newly appointed boss) strikes him with a shocking request: Nathaniel is to be sent as a hostage to a company, for the sake of the gang. The CEO of this company, Fabian, will lend his own strengths to the mafia, in exchange for Nathaniel’s body. Yet even as the two draw closer than ever, their hearts only seem to grow further apart...

(Source: Korean publisher, translated)