My Amnesiac Archrival Mistook a Heart Attack for Falling in Love, and We Were Already Married by the Time They Regained Their Memories

[Two Male Leads] My name is Lin Ye, and I'm the Boss of a strange dungeon. I have a rival I can't stand, named Shu Wang. He's a high-level player. Ever since he blew up my dungeon, I've followed him from one dungeon to the next, swearing to kill him inside one of them. He hates me just as much for constantly haunting him. So we agreed to fight to the death. But an accident happened along the way. We didn't die, but lost our memories, and somehow ended up married... 1. [Welcome to the Horror Survival Game! I'm your old friend, Mr. Mask!] [This dungeon is a haunted-house exploration. Players must survive for...