I’m the One Who Died, But the Hero Went Crazy

I died as the hero's companion, taking the dragon's breath in place of the hero. Well, it's alright. The hero, Elkinas, was my only friend I could trust and rely on. As his friend, I can close my eyes in his stead so that the hero can marry a wonderful woman and live out the rest of his days. ...Or so I thought. Eighty years later, I was resurrected in a completely new body. But... "I'm sorry, Arenne. Elkinas is insane. Completely and utterly insane." That's the first thing I heard. * What else can I do? I have to help him. To help my friend who doesn't seem to be able to accept my death, I decided to stay by his side, hiding my identity. I want Elkinas to fully accept the past ...