Responses
Most works by scarlet beriko has the tough and scary looking guy as the uke and the pretty boy as the seme instead. Oh and "Boku no high spec kareshi-sama" has the bigger and buff guy (who is also an alpha) as the uke, while the shorter and skinny guy (who is an omega) as the seme
Yaoi manga where uke looks like seme, and seme looks like uke.