A Novel Like: Either They Were Possessed Or Have Background In The Underworld. (Action, Mature, Romance) My Wife is a Beautiful CEO My Beautiful Teacher Mai Katsune Waifu Godly Sword Immortal Awakening P.S: (Modern City Included) Cause I Don't Like Fantasy-like World Or Continent.
Assassin Landlord and Beautiful Tenants Cultivation Chat Group Hunting for A Delicious Wife Wicked Soldier King edit: + Beautiful Wife and Genius Son (but it gets bad as it goes on, so I'm not really recommending it)
the 6 below are in modern day setting http://www.novelupdates.com/series/galactic-dark-net/ http://www.novelupdates.com/series/emperor-of-the-cosmos/ http://www.novelupdates.com/series/evolution-theory-of-the-hunter/ http://www.novelupdates.com/series/arena/ http://www.novelupdates.com/series/the-kings-avatar/ http://www.novelupdates.com/series/one-sword-to-immortality/