Onna Kyoushi DUO Chijoku no Houkago

Kenji Sakagami, the protagonist, is a young man notorious for being a scumbag.
He’s transferred to Seijouin Academy, an elite all-boys school where his uncle serves as chairman.
His mission? To help his uncle, who used underhanded tactics to secure his position, build connections.

Most students at Seijouin come from wealthy families, and Kenji’s task is to turn female teachers into submissive slaves—bait to lure in their influential parents.
Thus begins Kenji’s twisted game of training and humiliation, blending his personal interests with his uncle’s schemes…

[Translated from dlsite]