Yasashii Oni to yo Fukashi Otome

You have broken my seal." The young man who suddenly appeared in the fluttering snowstorm was so beautiful that he couldn't take his eyes off. An ordinary office worker, Yuka, decides to go to Hanaoni Shrine to visit Ushi no toki mairi in order to relieve the resentment of her colleagues. In fact, this shrine has an urban legend that says, "I'm trapping demons." Standing on the approach road, Yuka reaching out, "Oni-san, here! Exit, this is it." A young man wearing an old-fashioned costume appears in front of him !? Sharp horns on his head ...?