I am the strongest but not a Hero

Being an orphan is the worst one can experience. There is no one to lean on, no one to complain, and no one to look after. Meet Leo, a young boy who is an orphan. Both his parents are dead. His father was framed and killed whilst his mother committed suicide. Such a pity. Leo is in a world of magic. With both his parents being weak in magic, without a doubt he too is weak. The only thing going on for him is his looks. He lives alone in his house with the help of funds provided by the government. One day, out of nowhere he is greeted by a system. [ Threshold achieved. Initiating the system of darkness.] ....