Ntr: I Became A Noble? (novel bin.com)

[Mc takes consent from Woman not their husband] [Mc doesn't want to NTR every guy. He only makes their wife cheat for sex.] [Making friend's mom fall......is one of his big dreams.] "I like married women and there are so many noble women out there..." A horny Otaku from Earth gets transmigrated as an old Viscount. His…