My Foolish Husband Is A Secret Boss?!

On Eldran, genius mage Frodo was ambushed and left mentally impaired. Five years later, his sacred ring restores his Ninth-Tier power. Feigning foolishness, he investigates his three brothers’ deaths. With alchemist heiress Chloe beside him, he defeats the nobles hunting them, reaches Divine Mage, kills Lancelot, and rebuilds House Torte.