The first release or Xueba, Jinjiang is the modified version, whichever is Jinjiang.
Infinite cycle game setting and stand-alone game setting.
Akise or Amano Yukiteru, CP is irreversible.
In the side story, Akise may have had all his memories wiped away, but he still has some impressions of the name Amano Yukiteru.
In this article, it is set that Akise may have gone through countless reincarnations, and the memories and emotions he kept retained are superimposed, and finally he knows everything that happened in the Nth week at the beginning.