Mission 5: Virility | Secret Doors DMC: Devil May Cry Guide

DOOR 1/2 (required Copper Key; bonus mission Demonic Conflict) - Door is in dimly lit upper balcony in the passage between the first and the second warehouse.

DOOR 2/2 (required Argent Key; bonus mission Displaced Skirmish) - Door is in the secret room. You find it on your way to the mixing room and to get it you need to use an Arbiter at a wall.