I Became the Villain of a BL Novel That Is Certain to Have a Bad Ending

A South Korea where the gangsters from my younger sister's BL novel have not been cleared out. I've possessed the body of the Omega young master of the 'Blue Dragon Clan,' a gang family with a long and storied history! It's unfair enough to be born an Omega in a gangster family that only treats Alphas as human beings. But to be the villainous bottom who meets the most miserable bad ending in the entire story? However, something is strange. ‘Cha Ji-won, I am your fiancé.’ Starting with the dominant Alpha main lead, who is supposed to despise me for being an Omega. ‘I don't think I can bear your absence, Hyung.’ The main bottom, whose madness doesn't match his refreshing looks. ‘I won...