Imagine a world where power knows no bounds, where the ability to summon dragons, gods, heroes, and villains rests in the hands of one man. But what if that man doesn't even want it? Allen, a defense lawyer haunted by the moral compromises he's made, finds his life brutally cut short. Revenge claims him, but death is not the end. A bargain with a mysterious entity offers him a second chance, a reincarnation into a world brimming with magic and peril. He is reborn as Ethan A. Stark, inheritor of the Mythic Summoning System, along with a cascade of other extraordinary abilities, including infinite mana and perks across all classes. But this power comes at a cost. Ethan, now burdened with the potential to reshape reality, must navigate treacherous landscapes, forge alliances, and confront enemies wielding powers of their own. The world teeters on the brink, and Ethan's choices will determine its fate. Will he rise as a savior, or will the overwhelming might of his abilities corrupt him, turning him into the very destroyer he fears? Dive into *My Ultimate OP System* and discover a world where ultimate power meets ultimate responsibility.