The Abandoned Hunter

A story about a world of hunters, where an F-rank hunter who is bullied and despised and left alone turns himself into an OP hunter! He is left alone by many and was considered weak, However thanks to his luck he is able to get hold of an unique power from a dragon to act as its proxy. On top of it he had an amazing power dwelling within him which took the shape of a system. — Description from novelcodex.org