After the young boy Natsuki Subaru was suddenly summoned to a different world, he continued to fight against a cruel fate in order to protect the important people. After experiencing three "death returns" in the previous episode, he finally successfully retrieved the badge for the fourth time and changed the fate of his friends' deaths, moving from the "King's Capital Chapter" to the "Mansion Chapter" of this episode. I thought that after the injury was cured, I could live a peaceful life with the heroine Emilia, the twin maids, and Beatrice who guards the Forbidden Library. However, using this mansion as the stage, a new chain of death will be unveiled again.
