夢見た少女のニルヴァーナ

Entering his final year of school, Yukusue Arishi was leading an ordinary, peaceful life.
But one day, he begins to experience mysterious flashbacks which show him somewhere he doesn't remember. The flashbacks become increasingly detailed each day, eventually leading Arishi to visit the location he had been shown in order to find out the truth.

There, he finds a girl sitting quietly with her knees in her arms.

"I... must remain alone."