Dragon’s Reincarnation: An Understated Overlord

What can he possibly do? He is going to die anyway, Isn’t he the most unfortunate being in the whole of Japan? Ma Feng who suffers from multiple diseases is on his deathbed, bullied, hated, and killed like a rag only to be reincarnated in a fantasy world but what was he reincarnated as? could you believe if I told you? Ma Feng who was scorned by the world is reincarnated as a dragon, A near extinct race who speaks dread to the world With a system in his possession, Ma Feng is going to transcend He will become an Overlord who reigns over all. He is truly an Understated Overlord