In a near future, the world faces numerous challenges: pollution, resource depletion, population growth, and so forth. In response, the Japanese government created sensory simulation capsules (“beds”) and successfully launched a virtual reality program — “Gaia.” Notably, the designers excluded the concept of pain from the program, meaning that neither pain nor death exists in this new virtual world. On an otherwise ordinary day, Oono Yuuri comes across a mysterious card, triggering a series of strange events that unfold into a story of clashing dreams, unexpected friendships, and hesitant vengeance.