After the Substitute Marriage, My Brother-in-Law Spoils Me Rotten

Substitute Bride, Male Lead Has Mania or a Disability, Wields Immense Power, and Is Ruthless

Are there any stories about a replacement bride, where the male lead has a violent temper or a disability, wields enormous power, and is ruthless, but the female lead saves him and he then dotes on her alone? Sweet, sweet, sweet, with no angst.