A Japanese-style marriage story of a girl with supernatural powers and a solitary captain who returned from death has been Comicalized! Once, there was a girl called the Princess of the Night Darkness. Having subdued the Ayakashi of the Imperial Capital, she was subjugated by a young man in a white military uniform. Hinako, who returned to the past from the end of such a life, lived hiding her supernatural powers to avoid a gruesome future. However, one day, Ryuga, the captain of Uranakamutsukasa who killed her in her previous life, appears. Hinako rejects him, who seems to have been ordered to investigate her background, but when he reappears, he holds an engagement letter with Hinako...