Ever since dungeons bursting with monsters appeared across the world, Shu Amasora has dreamed of being a great dungeon delver. But, unlike the famous ones with amazing abilities, Shu is an appraiser who can only discern monster information. Armed with a camera, he puts his ability to use as he takes to the dungeons to create videos to help others on their quests. But as he gains a following, Shu unexpectedly unlocks a new effect that promises to change his abilities—and the world—for good.