Demons' Crestデモンズ・クレスト; Demons' Crest

In the year 2031, in which elementary school student Yuma Ashihara participates in a beta test of the world's first full-dive VRMMO-RPG called "Actual Magic (AM)", only to lose consciousness while playing and wake up in a world where the game and reality have merged. A death game then unfolds in "mixed reality."