A Sweet Whirlwind Marriage: Darling Heiress, Don't Laugh

Too many people like her, and her husband's jealousy is overwhelming. She's having a rough time. On the day they were supposed to register their marriage, her husband actually ran away. Fine, she'll marry someone else. The man at the next table is about to enter a marriage of convenience. He looks like her childhood sweetheart, so she marries him, since he pays her, doesn't come home, and doesn't expect them to act like a real couple. What she doesn't know is that after all these years apart, her childhood sweetheart's possessiveness has gone through the roof, and he's secretly turned into a complete psycho. He's not only crazy and clingy, but also jealous, and he threatens to lock her in a room at the drop of a hat. She only smiled too beautifully and attracted childhood friends number 1, 2, 3, 4, and 5, and he actually... The world outside is too lovely. She doesn't want to die in bed. What kind of man bullies her whenever he's jealous?