It seems like it, looking at the 3 images we were given (especially the 2nd photo with the hair-pulling...)
And considering that all the guys he met after were typical predators, not to mention the traditional roles associated with positions that they're likely to follow (top=dominant, powerful, predator, bottom=submissive, weak, prey) as they only saw him as a beautiful lamb and not much else, excluding all that they deem to be unconventional.

So based ln the bonus chapters.. ML was a bottom with all his ex partners?