Transmigrating to the Heian period of Japan, he became a great yokai comparable to Abe no Seimei, but was sealed and fell into a deep sleep. When he wakes up again... Modern factories and skyscrapers, the time is modern-day Tokyo. He saves a short-tempered dwarf who was unfortunately killed for exterminating heretics, meets the most perfect "oh-ho" beauty who is watching him, and a fortune-telling girl who wants him to join a strange club. Originally wanting to hide his identity and solve his own problems, he becomes a high school student, but Egawa never expected that his daily life would start to deviate from the norm. ...