Manga I'm A Middle-Aged Man Who Got My Adventurer License Revoked

Douglas's fate had clearly turned away from him. Once upon a time he was considered a powerful wizard, but this remained only in legends.
But the glorious days are gone, and now he is an ordinary old man who suffers from health problems. And this is not his only problem! Not only does a hitherto unknown disease slowly kill him, if he begins to use witchcraft, the heroes drive him out from everywhere, moreover, he has lost the right to participate in the adventurers guild.
Abandoned by everyone, he sets out on a long journey as a hermit, when suddenly he encounters a cursed girl named Ravi.