At the Same Time, I Traveled Through Time and Space, and My Wife Was Myself

After being blown away by a dump truck, Qian Yuan arrives at FGO's seventh singularity, the Absolute Demonic Front. What should he do if the world is about to end? Fortunately, his soul was replicated and scattered across the universe. Mei from Honkai Impact 3rd, Lei Yingying from Genshin Impact, Rin Tohsaka from Warcraft V, Shoko Toyokawa from MYGO, Ai Haibara from Detective Conan, W from Arknights, Illya from Makai, Athena from Godslayer... Qian Yuan can share power with his alternate selves and travel through the worlds, but why are all my other selves girls? My wife is actually me.