At the start, I tricked the school beauty, and ended up with twins? - Chapter 72 - 71: Enter the Stage! Song God State!

In a world where strength is law and the weak are trampled, Ezra Cain was destined for nothing—crippled, abandoned, and left to rot. But when death comes knocking, something awakens within him.[Primordial Evolution System Activated.]A forgotten power lost to time, capable of infinite growth, limitless evolution, and ultimate domination. From the ashes of his former self, Ezra begins his ascent—devouring monsters, absorbing abilities, and forging a path no being has ever walked. But power comes at a cost.Ancient gods stir in fear. Forbidden realms tremble. The strongest beings in existence move to eradicate him before he reaches his full potential. But Ezra is no pawn in their game—if the gods wish to stop him, then he will do what no one has dared before.He will evolve beyond them. He will devour them. He will become the first Primordial Overlord.The age of gods is over. His reign begins.

drop out of school

When I got home, I reopened the blacksmith shop.

From then on, this blacksmith shop was no longer ordinary.

The best knives in the world are born here.

The thrust-to-weight ratio of the handmade micro-turbojet directly exploded.

The micro-drones flourished in his hands.

- Description from novelbuddy

The ordinary 18-year-old Edo, during a nighttime walk, finds himself in a fantasy world where he gains a mysterious power that could shape his destiny.

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates