Adult

[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 lifespan is depleting too quickly due to an injury.
    Fortunately, there is a Ying Yang technique which can increase his lifespan.
    "This man has been single for his whole life and never touched a woman? WTF!!" Otaku is shocked from the Viscount's dry life.
    "I do have the maids, right?"
    [MC likes married women]
    [Netori, Cheating, Blackmail]