Posting some actual links.

>Tomoki tomonori's Touhou Work
Set in a Gensokyo where all the girls are horny and the time and ready to jump the bones of any man (or ready to get molested by him). Not quite full gender reversal, but pretty close.
https://exhentai.org/g/1130796/efb82ee3b4/
https://exhentai.org/g/1615797/5047bc791c/
https://exhentai.org/g/2051931/f5e6f455ce/
https://exhentai.org/g/1615817/e5cdc6871a/
https://exhentai.org/g/2307182/5528ebb8a5/
https://exhentai.org/g/1615803/58d9a5727c/

>Mob Deli
Blue Archive. Sensei goes to what he thinks is a brothel, only to find out he's the one being paid. He has sex with a lot of mob girls.
https://exhentai.org/g/2695847/63ba2016f6/
https://exhentai.org/g/2908476/31e4cdba88/