Solo Cultivation in The Apocalypse - Chapter 16 Duo

In a world where all magical spells have been captured into cards, those who can build a deck have the most power.The most Arthur could ever hope for was to someday earn a trash-tier spell card. When fate grants him a legendary Master of Skills card, he's thrust into a world of opportunity and danger.To survive and grow strong, Arthur must learn skills. All the skills.

Fate, a gatekeeper who had been working for the castle, is beset by a few burdens.

Kaito Nakamura, a shy university nerd, thought he’d found love when the stunning Aiko chose him as her boyfriend. Their sweet, fluffy romance fills his lonely world with hope—until he discovers she’s cheating on him with multiple guys, reveling in the taboo thrill of betraying someone so innocent. Heartbroken and humiliated as explicit photos of her circulate online, Kaito’s tears are interrupted by a mysterious popup: the “Revenge NTR System Beta.” Promising retribution but with a chilling condition — he can’t break up with her.Contains Ntr, read at your own risk

Initially I am just another ordinary gamer. I often wondered how my novice skills compare with real masters, the professional gamers.

Then one day, two stunning beauties asked me, “Are you willing to be a professional gamer, and conquer the world?”

I replied: “Yes, I am willing”

After that, bit by bit, I unknowingly become a professional gamer, and conquered the world!

This is my story.

- Description from Novelupdates