The Demon King Must Be Defeated After the Wedding

“Marry me first, then I'll take you down.” Those were the first words Lu Fei, a hero who had skipped the whole quest and been whisked by the System straight from the beginner village to the Demon King, said to her. “M-M-M-M... marry you!” Lia had never even been alone with a member of the opposite sex. Flustered, she agreed before she could even process what he had said. And so the married hero Lu Fei set off again to defeat the Demon King. And so Lia, the Demon King and final boss, kept showing up along the hero's path before he could reach her. “I’m not here to see you. I’m just worried something might go wrong with your quest.” “We promised each other as husband and wife. Nothing will go wrong.” “H-H-H-H-H... husband and wife!”