Devils' Crest デモンズ・クレスト

Yuma Ashihara was set to enjoy a test session of Actual Magic (AM)—the world's first fulldive VRMMO-RPG—together with his classmates Sawa Ashihara, Kenji Kondo, and Minagi Sano. The plan was simple: defeat the boss as a party of four, log out, and finish the test play safely — or at least, that's how it was supposed to go.