My Golden Finger Is Too Overpowered: From the Start, I Help My Beautiful Sister-in-Law Succeed

[Xianxia fantasy + invincible power fantasy + grand, wild imagination]

I, Ye Fan, opened my eyes to find myself a sickly young man in another world.

Keeping watch by my bed was my beautiful sister-in-law, Su Wan'er, the only family I had.

Our home was bare, and my situation was hellish from the start.

Fortunately, a primordial [Primordial Singularity] lay hidden within me. Once awakened, it turned me into a black hole that devoured all things, granting me unparalleled power to shape creation.

Medicinal herbs? Sucked dry! Ore? Sucked dry! Enemy beasts? All devoured and turned into nourishment.

While others cultivate spiritual energy, I alone command the power of worlds. I create divine arts and secret techniques with a wave of my hand, conquer countless realms, and stride across the heavens!

With one hand, I slay gods and demons; with the other, I subdue the cosmos!

Watching my sister-in-law grow ever more alluring, I quietly tightened my arms around her:

"Wan'er, I'll take you flying in this life. And while I'm at it, I'll help you put on a little more weight..."