I Became the Genius Bastard of a Noble Dark Clan

Acting Alcohol Aphrodisiac Arrogant Male Lead Arrogant Protagonist Aunt-Nephew Relationship Aunt/s Bad Reputation Based on a Korean Novel Based on a Novel Beast/s Black Sheep Black-Haired Character/s Black-Haired Male Lead Black-Haired Protagonist Black/Dark Magic Brother-Brother Relationship Brother/s Butler/s Capable Male Lead Casino/s Clan/s Competent Male Lead Competent Protagonist Complicated/Complex Family Confident Male Lead Confident Protagonist Confinement Count/Countess Courtroom Dead Mother Death Fate Decapitation Demon Lord/King Demon/s Dispute Over Succession Dragon/s Drinking Duels Duke/s Empire/s European Ambience Fantasy World Father-Son Relationship Full Color Funny Male Lead Funny Protagonist Future Plays a Big Role Gambling Genius Male Lead Genius Protagonist Greed Greedy Male Lead Greedy Protagonist Half-Vampire Hero/es Illegitimate Child/ren Immature Male Lead Immature Protagonist Knight/s Library Magic Magic Crystals/Stones Magic Item/s Maid/s Mask/s Monster/Beast Tamer Monster/s Murder/s Muscular Female/s Nobility/Aristocracy Noble Male Lead Prison Prodigy Red-Eyed Character/s Red-Eyed Male Lead Red-Eyed Protagonist Regressed Male Lead Regression Reincarnated as Person with Death Fate Reincarnated as the Villain/ess Reincarnated in the Past Rich Family Ruthless Male Lead Ruthless Protagonist Servant/s Slavery Spirit/s Strong Family Summoner/s Summoning/s Sword and Sorcery/Magic Sword/s Swordsman Swordswoman Tamed Monster/s Training Trial/s Webtoon Wolf/Wolves World Destruction Young Master Younger Brother