Demons' Crest Books in Order

Yuuma’s class remains trapped in a deadly mixed-reality game populated by transformed classmates and enormous creatures. Guided by the demon possessing his twin sister, Yuuma and his friends search for missing Nagi, only to face an unexpected encounter.

Sixth-grader Yuuma and his twin sister play a new virtual-reality game that suddenly merges with their world. A classmate’s transformation into a monster reveals the danger they face, turning familiar surroundings into a struggle to stay alive.

Yuuma tries to unite his trapped classmates, but betrayal and a surprise attack turn several students to stone. As more children undergo demonic transformations, survival depends on learning to coexist with their demons and confronting the cost of that compromise.