I save the Two-dimensional heroine in the last days

Dead bodies broke out, just looking for a glimmer of life.There are mature and glamorous wives here, young and charming girls, Kitahara Sosuke was reborn again only to save people who could not be saved in the previous life, and met again with Sayuri Sawamura, and then fulfilled the agreement in the previous life, giving birth to the crystallization of both parties. .........
The introduction is difficult, without tragedy, involving "The Passerby Heroine", "Spring Things", "Youth Bunny Girl", "School of the Dead" (partial), etc.