Became a Failed Experimental Subject - Chapter 37: After Destroying Guryong Fortress

[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]

A story of time-travel. Sly and cunning, she unexpectedly became a sickly noble lady whose fiancé is merciless and demotes her to a lowly concubine. She sneers and bravely breaks off the engagement. To hell with scumbags, marry heirs to lords, blind the courts with her brilliance.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”