Weakest Beast Tamer Gets All SSS Dragons

"Dragons and their spawn rule the skies, the land, and the seas... humanity survives in the cracks, dreaming of a comeback." _____ Power comes from the beast you tame. Wolves, hawks, snakes, spiders, chimeras, the stronger your summon, the brighter your future. Too bad for our protagonist. When everyone else summoned salamanders, eagles, troll dogs(not doge) or tigers, he got… Well, let’s just say the only thing lower on the food chain is dirt. Laughed at, bullied, and living as the butt of every joke, he’s not exactly winning. But giving up isn’t an option... His aging parents sold everything for his "failed" chance, and he won’t let it be for nothing. But hey, this is his story....