happy shitty life - they are switches fighting to be the bottom lol but this story has a very crass humor so idk if you'll like it
this one is really silly:
https://www.mangago.zone/read-manga/geinaru_tadaima_ire_kawarichuu/
Switches
https://www.mangago.zone/home/mangalist/2704304/
Happy reading!~
Please free to follow it as well so you don’t lose it and get updates on it in the future I hope you have fun!~
Okkk tyy sm
They switch like when ever they want one of them can either top or bottom