Oh, this is a very specific lane within doujinshi, but a deeply satisfying one if you're in the mood for that visceral satisfaction of a wrong being righted. Titles like 'Gyakuten Kouhai' or 'Mesuiki! Sokkin Kanojo' often explore this from a foundation of betrayal or humiliation, where the protagonist gains some form of leverage—social, supernatural, or financial—and turns the tables. The power shift isn't just about physical dominance; it's the psychological erosion of the antagonist's control that makes it hit.
I find the ones that start with a genuine, relatable slight work best. When the protagonist is initially powerless, the eventual payback feels earned, not just gratuitous. It's the narrative tension between the initial wound and the meticulous, often coldly delivered retribution that defines the genre. The art style usually shifts to emphasize expressions of shock and dawning helplessness in the former aggressor, which is the real payoff.
A lot of older works from circles like Zenra Mantis or certain (Z-ton) pieces nail this tone, but searching tags like 'revenge', 'corruption', or 'mind break' on the antagonist's side will usually surface the good stuff. The best ones make you wince at the setup and then cheer for the meticulously plotted downfall.