Do u fw manga too? If yes these are my personal fav
https://www.mangago.me/read-manga/sex_sales_driver/ (the extra is the only switch part)
https://www.mangago.me/read-manga/outotsu_morning_love/
https://www.mangago.me/read-manga/happy_shitty_life/
https://www.mangago.me/read-manga/neko_x_neko/
https://www.mangago.me/read-manga/tachi_to_neko_docchi_ga_ii_no/
https://www.mangago.me/read-manga/playtime_with_hakdo/
These are the only manga and manhwa i can remember tho. I'd recommend you to browse the tags like switch, seke, reversible etc to find the one u like ლ(´ڡ`ლ)
Here dear enjoy
https://www.mangago.me/home/mangalist/2704304/
Can y'all recommend me some SWITCH yaoi manhwa???? I want all of it ugh