I Arrived in the Armor World to Collect Summoners

When an ordinary person is transported to the Armor World, they discover a unique ability: collecting the legendary Summoners that control the powerful Armor Heroes. Armed with knowledge from another reality and a mysterious system, they must navigate battles between light and shadow, forge alliances with iconic warriors, and unlock the secrets behind the armor transformation devices. But in a world where evil forces constantly threaten humanity, will collecting these artifacts be enough to change destiny?