I Awakened an F-Rank Talent, but Its Skill Is Disgustingly Overpowered

At the awakening ceremony, Lin Chen awakens the lousiest G-rank talent before a rapt audience. It’s the first time anyone has awakened a talent even worse than E-rank. But then he awakens a System that makes his skills absolutely disgusting... (Note: This story has a sprawling plot. Feel free to add it to your library and let chapters build up.)