I was a Commoner When I Reincarnated.: I can’t Stand the Living Standards, So I’ll Aim for Nobility

The young man who reincarnated as the boy Leon is bewildered by the inconvenient life... After reincarnation, Leon tries to learn magic in order to lead a more comfortable life. --And he finds that he was a cheat ability user who could use not only 'fire, water, wind, earth, and healing magic' but also physical enhancement!? Utilizing knowledge from the modern world, he aims for a prosperous life in this slow-life.