Isekai Battle Royale

A man clad in armor wielding the power of darkness, Ares the Dark Knight, was making his way to the Demon King Castle as a member of the Brave Party. He aspired to vanquish the Demon King and return triumphantly to his hometown of Lulua, the hero's astute younger sister... However, during the climactic battle, just as Ares unleashes a dark strike... suddenly, without warning, he is transported to another world. It seems as if he has been ensnared in a battle royale, where formidable warriors from various realms compete!? In order to reunite with Lulua, who has been separated from him, the Dark Knight Ares engages in battle.