Even Though All I Did Was Raise the Hero

I, Mitsuru Yokotani, was suddenly transported to another world due to a mistake by a God and I was asked to save the hero, who was destined to live a life full of tragedy. I was told if I raised the hero until he was mature enough to go out on his journey, I would be allowed to return to my original world. Albeit reluctant, I visited the s*ave market and bought the future hero, who was about to be thrown away by the s*ave trader. I took him back to the house that the god had prepared for him. However, when I was transported to this world, the God also changed my appearance. I became a grotesque, overweight middle-aged nobleman. The future hero displayed clear hostility toward me. Even after ...