When Childe accidentally stumbles upon the country of Japan, he meets someone who is so similar to him it's like it was destiny. They fall in love and maybe make Toya and Zhongli a bit jealous but, not like they care, it's true love.

As they always say, a ginger with a gun is key to world domination Or, a bunch of short stories of Project Sekai characters (okay nevermind someone other than me voted for this im happy so i'll write again)