Sagara Yuichi, a budding writer, found himself in the midst of a convenience store robbery. Despite the opportunity to flee, he chose to stay behind, hoping to gain some valuable writing experience. As a result, he was stabbed and took his last breath. Suddenly, a mysterious man appeared, claiming that their meeting was not a coincidence. After waking up, Yuichi realized that he was lying naked next to the stranger. To his surprise, the stranger revealed that Yuichi's blood was of "S-Class" and that he was meant to be his lifelong partner. Will the practical writer be able to accept this unbelievable fate?
