SEX WITH MY BEST FRIEND'S FIANCÉ - Chapter 161

A side story series featuring the girls of Kyoukai Senjou no Horizon.

He wasn’t born to love. He was built to breed.In a world ruled by women, where men have gone extinct, Rivan Cross becomes the last male to awaken — naked, powerful, and hunted.Trapped in a secret breeding facility his whole life, he breaks free when a mysterious system called LustCore binds to his soul.Now, every kiss fuels his power. Every climax makes him stronger.The world wants to use him.But he plans to f**k his way to the throne instead.Sacred queens. Starved villagers. Deadly assassins.They don’t stand a chance.Dominate. Breed. Evolve. Or be devoured.#Harem #Smut #System #MaleProtagonist #PowerFantasy #OnlyMale #SexCultivation #Overpoweredmc #lustsystem#breeding #seduction

A serious accident caused the protagonist’s brain to have an unusual mutation. This changed the brain development that it opened the door to a mysterious universe. Not only he obtained a ‘god-like’ powerful telekinetic control and mental perception, he also had an abnormal analysis and memory capability comparable to super computer. Having such super brain, his rough life began.

Brain development progress 10%…….20%……50%….80%…. …100%

- Description from Novelupdates

“Young man… if you could go back in time, what period would you like to be in?”