There is this omegaverse where the omega and alpha roles are reversed (the omega are the smart, talented, strong, etc and the alphas are just there) called Unromantic
im sorry if its not unpopular enough but this bottom is very dominant hehe https://www.mangago.zone/read-manga/under_the_green_light/
Here's badass strong uke list
https://www.mangago.zone/home/mangalist/915374/
not sure what u consider as unpopular^^
a funny one
https://www.mangago.zone/read-manga/oni_ni_hatsujou/
sadist uke
https://www.mangago.zone/read-manga/high_school_lullaby/
both are badass guys^^
https://www.mangago.zone/read-manga/flaver/
Unpopular bls with badass “dominant” bottoms :p ty ty