From Seven Seas:Thanks to some unfortunate gameplay, a young man named Leon has been reborn into the world of an alternate universe otome game. Facing an absurd scenario where males are no better than livestock who serve at the whim of women, Leon only has one weapon - his knowledge of the dating sim genre–to survive the challenges he faces and inspire a revolt against the system. 3q3s52
13 Volumes (Complete (series continues split into the different arcs as separate serialization)

It's not like an otome game in the slightest! I've never heard of an otoge with female supremacy, but I have heard of galge and harem manga with similar premises. 'Made by a company that made galge' part checks out.
I guess the otome game fad sells better than other isekai?