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Pairing: Ryoumen Sukuna x Itadori Yuuji [Original work on Pixiv](https://www.pixiv.net/en/artworks/94894755)
Yoori, who works at the hospital as an inspector trainer, had a girlfriend Haruki, who lived with him for four years. One day, he's a drunken friend. When he returns to his apartment with Haruki, he finds an unrecognizable pump on the front door! It was the scene of Haruki's affair with a woman she doesn't know that jumped into the eyes of Yoori who didn't have a bad feeling...!
Lucien, the knight captain who cannot use magic, is ordered to escort the saintess to the royal palace. But that mission involved working with Arkride, the captain of the Magic Knights, who is known as a ruthless elite! Arkride would glare at him and make sarcastic remarks at every opportunity... He's sure he hates him, but doesn't the sense of distance between them seem a bit off? —So what the hell is this "mating contract magic"?! A BL story begins featuring a sadistic, handsome, polite seme and a black-haired beauty who is easily swayed!
