Strongest Survival by Otome Game’s Heroine (LN) - Vol 3 Chapter 6: Orc Subjugation

A top-secret experimental explosion transports Xiao Ming to a parallel world resembling ancient times.In this hostile land, he is the most unfavored prince, given the most barren fiefdom.Fortunately, however, a mysterious item from the experiment—the Technology Crystal—comes with him, granting him the ability to upgrade a technology tree.Thus, he begins a leisurely life in his fief, farming and developing industry.In the face of his unfriendly brothers and sisters, he has always followed the motto- friends come and get wine, jackals come and get shotguns.

My crew? Yeah... it's a little special.First Division: Night Raid from the Akame Ga Kill.Second Division: The Akatsuki, led by Pain, from the Naruto world.Third Division: The Seven Deadly Sins.Naval Headquarters:“Everyone, be on high alert. That man... he's coming.”Four Emperors:“Sh*t, who the hell provoked him this time?!”“Someone get ready to apologize. I’ll go in person if I have to...”The Dragon Hunting Pirates — a name that makes the entire world tremble!

Nine harmonic zither chords shook the universe, who dared to not acknowledge the lord?

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.