What’s Wrong with Fireball? My Skills Automatically Max Out

So what if it's a beginner skill? Ordinary people can spend their whole lives training and still struggle to max out a skill! But my skills max out automatically! Ye Feng transmigrates to another world that looks just like an online game, only to find himself destitute. For three whole years, his life is utterly miserable. A mysterious disease takes his grandmother's life, then his parents' lives. Just as his younger sister catches the same illness, Ye Feng takes part in the Fire God's blessing ritual. When the children in the village come of age, they all pay respects to the Fire God statue. Depending on their talent for controlling fire elements, they randomly receive different fire-element skills. Skills are ranked from F, E, D, C, B, A, and S, with rare SS and extremely rare SSS ranks as well. While everyone else receives high-rank skills, Ye Feng is blessed with only an F-rank Fireball Scroll, the lowest possible level. The villagers start mocking Ye Feng for his lack of talent. But at that very moment, Ye Feng awakens a Seven Gods skill auto-learning System. Every skill he learns is instantly maxed out. What's more, he can control the level at which his skills are released, keeping his true strength hidden. His max-level Fireball spell is like a meteor from the heavens, devastatingly powerful. One strike is enough to scare the wits out of terrifying opponents several tiers above him. With this super System, Ye Feng sets out on an invincible path, playing the pig to eat the tiger!