Ever since Miki Yoshida was born, somehow she's always been unlucky. Even though the name given by her late father means good luck. The bad luck continued until Miki grew up. She was laid off due to the COVID wave hitting Japan. Even though many say it was because of the pandemic, Miki remains convinced that her bad luck caused it. One day when she comes home looking for work on the train, Miki gets sleepy and almost falls onto the railroad tracks at the subway station. An old homeless man helps her and accidentally pulls the necklace her mother gave her, which she said was a talisman. The necklace fell and was run over by the train. In return, Miki's life is spared. However, various strange things began to follow her. A stalker, a pervert, until she almost gets picked on by bullies. In the midst of her misfortune, three men appeared before her and said, "Finally we found you, Miki-chan!" Miki Yoshida was confused. The three men say that Miki is the Oni Leader's fated bride. She ran from her apartment and called her mother. However, instead of being confused or laughing, Miki's mother was crying. She said, “It's time to let you go. I'm sorry, Miki." Just hit by confusion, she was chased by mysterious creatures. But, the three men Miki had met, saved her. Miki couldn't help but join them, to avoid the mysterious creatures. Arriving at an old clan-style house in Japan, Miki is surprised by something else. Sudden marriage to the Oni Leader? What should Miki do? Will she be able to get back to her normal life? Or is she forever stuck being the wife of the Oni Leader?