Lin Ye travels back in time to the start of his second year at Sobu High School, two years before the apocalypse. He decides to change the course of the apocalypse and save the world. As the apocalypse unfolds, the relationships between the girls around him become increasingly complicated. Shiyu: "Tell me, are you still in love with your first love." Yukino: "Tell me the truth, did anything happen with my sister?" Haruno: "Just once, let me be willful for once, after that, you should be with Yukino." Isshiki: "Senior, senior, I have been bought by you now, you have to be responsible!" Kato: "Lin Jun, I seem to know a lot of your secrets, and the pressure is a bit too much. Let me lean on you!"... Lonely Doomsday Helper Kasumigaoka Shiyu Crystal Mutation Helper Yukinoshita Yukino Alien Invasion Helper Yukinoshita Haruno Interstellar Wandering Helper Touma and Setsuna Dark Biochemical Helper Eriri Catastrophic Doomsday Codenames [Resurrection of the Dead] [Honkai Beasts] [Iron Blood Machine Tide] [Deep Blue Sea] [Originium Disaster] - PS: This work involves "Oregairu", "Passerby", "White Album", "Bunny Girl Senpai" and other works.

Crazy version: The whole galaxy is ablaze with war in my eyes! Blood sacrifice to the Emperor, skull to the throne! For the Emperor! Kill the aliens! Harem version: Oh my, it's all my! You are all my wings! Normal version: The glory of mankind will last forever! Secondary version: Who understands what you say? Look at me pushing it back with the Soul of Steel! Serious version: A social animal who traveled through time because of playing games, came to MUV, a world full of aliens, with the Glory of Hiigara installed with a mecha war MOD. In order to survive in this chaotic universe, he used the cheat code to collect various mechas and beautiful girls in the anime world. This is a story about making trouble. This article will not go to the Warhammer 40K universe, but will only implement the will of the Emperor. The tentative plan is Girls Frontline, Greena, Disobedient Squad (AK12, AK15, RPK16, AN 94), UC Era Sera Keys (Char's sister), Gundam SEED Lacus Clyne, Stella Gundam 00 Marie Pavase, Wang Liumei, Full Metal Panic: Therese