Of course the hooded old hag turns out to be a busty beautiful woman in disguise. The shota-looking ex-demon lord used to have the hots for her, but I guess she's a hag to him now. Given how much Alicia knew about Hiiro, I'm willing to think of the possibility she herself might have been involved with another summoned individual, if not a summoned individual herself.
The overpowered protagonist is getting styled on by a cartoony monkey...