Mr. Nian, Your Wife Refuses To Be The Substitute - Chapter 128

At 18, Alex Kain is whisked away to Eryndor, a game-like realm where he gains 'Skill Synthesis', a talent to fuse skills into godlike powers. Battling monsters and conquering dungeons, he builds a harem of strong women drawn to his might and charm. With the power to return to Earth bearing incredible resources, Alex faces a growing threat that endangers both worlds in this epic of adventure, romance, and ambition.

The tale of Oliver.
An orphan boy from a Mine, in 19th century Europe, filled with Magic.

A world where people awakened abilities called Skills to those who come of age. The protagonist, Awakened with three godly cheat skills, does he uses them and rise to an existence called a hero or becomes a person who only cares about his own life.