Katahane no Riku - Chapter 54.The bunch that want to improve their power

Joe finds himself kidnapped by aliens, shot at a planet inside a metal ball with a parachute strapped to it, and dumped on a planet full of people who can't speak with him. Now he has to figure out where he is, who captured him, why he was sent here, and, if possible, how to get back home!Great forces move as a young man finds himself suddenly taken from home by a strange people to explore a strange land. He does not know he is to explore nor does he even know who has taken him or why. Joe struggles to survive in a strange world of unusual peoples and cultures but his experiences prove to the task. Many learn from him just as much as he learns from them.Joe learns of the world, of the strange forces within it, and gains friends and a new family along the way. He will be ground to nothing, but will find himself once more.

Deep Sea, the mental network connecting the Five Continents, is rapidly propelling human civilization forward, but no one knows that eternal night is coming. When the transcendence awakens, the grand buildings will collapse. When flesh and blood are bitter and weak, how can people ascend? The tale begins with an encounter and the receiving of a ruler carrying truth. Gu Shen, an ordinary young man, unveils a corner of the truth about this transcendental world and becomes the largest moth among thousands being drawn to a flame. When the bitter winter comes… I will ascend against the tide, overturn the thrones of kings, shatter the crowns of hypocrisy, and destroy the scepters of injustice. I will become humanity’s final Light Barrier.

I was a good looking prince when I was reborn, and because I could do indecent things as much as I like, I decided to make a harem while traveling with a beautiful female elf~