In his senior year of high school, He also picked up a bracelet and fell asleep every night from then on.
In the dream, the boy killed monsters for her and told her that this was the entrance to another world.
But before she had time to ask clearly, the next dream had already come——
This time, besides him, there was another person.
Concept: Dreams are forgotten memories, and a different world is a hometown that cannot be returned to.