In the realm of Tenkoku, where powerful beings known as Demon Lords held sway, a young man named Takuma Sakamoto found himself transported to a world within a game he had played in his youth. The game, "Cautious Hero: The Hero Is Overpowered but Overly Cautious," had been his guilty pleasure, and now he was living it.
Due to Diablo’s "Magic Reflection" ring, the spell rebounds, placing magic collars on Shera and Rem instead, making them his "slaves". how not to summon a demon lord wiki
However, not everyone was convinced of Diablo's benevolence. The Church of the Goddess, a powerful organization that had long sought to eradicate the Demon Lords, saw Diablo as a threat to their authority. They began to secretly manipulate events, trying to turn the people against him. In the realm of Tenkoku, where powerful beings