Introduction: In That Time I Got Reincarnated With a System in Another World, Sam is reborn into Atheria—the first world ever created and the very heart of the anime hyperverse. Atheria is the origin of all anime worlds, where the magic, powers, and destinies of countless universes intertwine. Guided by a sentient, game-like system, Sam discovers he possesses a rare affinity for shadow magic and begins to unlock abilities that echo the powers of iconic characters across the multiverse. From his Monarch's Revival skill, reminiscent of Subaru’s Return by Death, to other extraordinary powers, Sam’s journey is a thrilling blend of familiar and new.Throughout the volumes of his epic adventure, Sam unravels the secrets of Atheria and its connection to the multiverse. Training under Isonorai, a fiery and relentless mentor, and facing off against the schemes of the malevolent sorcerer Lareth, Sam learns that his abilities carry a heavy burden. Every skill he gains and every choice he makes resonates across the hyperverse, drawing parallels to worlds fans know and love, while revealing the intricate threads tying them all back to Atheria.As Sam’s power grows, so too does the danger he faces, as his existence threatens to alter the delicate balance of the anime hyperverse. Across his journey, readers will find thrilling callbacks to their favorite light novels while following a tale that pushes the boundaries of imagination and destiny....