I Awakened Saiyan Talent, but Was Rated D-Rank?

Lin Feng transmigrates to a global high-martial-arts world and awakens the System from the start. He gains Saiyan talents, but they're judged to be D-rank. His family ostracizes him, and his childhood sweetheart, who grew up with him, leaves him too. Years later, a foreign race invades. As everyone faces despair in their desperate predicament, a colossal golden light shines across the sky. Lin Feng transforms into a Super Saiyan! In that moment, the entire world is shaken!