Only one level up

This manga is not just about an urban legend that people want to share with others around the world it about a guy who was the weakest hunter, probably the weakest in the whole world but he didn't give up, he kept working and working and no matter what people told him he still kept working and he became stronger and stronger by the day. He got something that no one else ever had, he got a second chance to live and to become stronger. He got a chance to level up