Chotto dake Ai ga Omoi Dark Elf ga Isekai kara Oikaketekita

Both shows are reverse isekai curvy ecchi comedies about hot elven girls who end up in (conditional) real Japan and get to know our world thanks to everydude MC. Also, both shows are uncensored and consist of short episodes. 

I don't know how intentional this is, but Dark Elf is basically one big parody lewd version of Elf-san. The main characters even have almost the same names. If you like the idea and are looking for a more lewd version or, on the contrary, a more tame and serious one, then this recommendation will suit you.