Subaru, who successfully avoided the "return of death", woke up in Roswaal's mansion. He was wandering around and fainted because of provoking Betty. When he woke up again, he saw the two sisters Rem and Ram. It was during the meal that Subaru learned that Emilia was one of the candidates for the king, and that he had also obtained permission to work in the mansion. For five days, Subaru worked hard to learn how to work. He thought that he had integrated into the new environment. On the morning of the fifth day, he was reincarnated. Subaru, who thought he had integrated into the new environment, woke up in the morning and found himself reincarnated again. After calming down, he decided to follow the previous procedure again, but this time he experienced something completely different from before.