Lord of Summons! Sudden Mutation

Synopsis

As the apocalypse descends, monsters from the game shatter the dimensional barrier and rampage across the world, driving Blue Star’s human civilization to the brink of extinction. Just as the world collapses into chaos, time suddenly rewinds for him—back to the very moment the game first appeared. This time, he's determined to uncover the mastermind behind it all, protect his home, and ensure the tragedy never repeats. And so begins a race against time… a game of revenge..