Recommendations BL Omegaverse MC hiding second gender

I'm looking for a strong/powerful/smart MC that's hiding his omega identity for whatever reason. I don't want a MC that suddenly turns weak or dumb because he met the ML. It'd be nice if he had high EQ to match his high IQ.

 

The Virtuous Omega Disguised as the Vicious Colonel: https://www.novelupdates.com/series/the-virtuous-omega-disguised-as-the-vicious-colonel/
As a Captain, You Must Be Cold (He’s already dumb): https://www.novelupdates.com/series/as-a-captain-you-must-be-cold/
O pretends to be a B for the Violent Admiral: https://www.novelupdates.com/series/o-pretends-to-be-b-for-the-violent-admiral/

 

Turning(technically he haven't manifested yet for like 1/3 of the novel, ongoing)
General, you've lost your Inhibitor
Unscented Trajectory

 

The Omega Can’t Pretend to Be a Beta After Accidentally Witnessing the Major General’s Susceptible Period