Dainty Tops × Sturdy Bottoms

- top is not only much smaller, but also lacks a bit of stamina
- bottom is taller and stronger; he's cutee
- delinquent × top student

- top is not super small, however, compared to the bottom, he's much smaller
- bottom is a large, muscular ex soldier and now bodyguard
- dom × sub

- top is significantly shorter and smaller than the bottom, but definetly not weaker!
- delinquent × kinda popular guy

- top is skinnier and less muscular as well as slightly shorter than the bottom
- bottom is more muscular, larger, and stronger
- top has less stamina and strength than the bottom
- lawyer × Yakuza boss

- significantly smaller top

- bottom is a bit taller and more muscular than the top; I'd say they're equally strong though

- smaller top (alpha)
- bottom (omega) is much stronger (which is also acknowledged in the story)

- much bigger, buff bottom
- top isn't particularly dainty, it's just that the bottom is ridiculously big
- top usually goes for small, dainty ones, but makes an exception for this big cutie here