System Mania! - Chapter 15: All in the name of survival

An otaku with a hobby of masturbating was reincarnated as the son of a great mage.

As soon as he was born in this life, he vowed with a goal of embracing women till his death.

That said, when he became 20 years old, the Demon Lord which was sealed by his ancestors revived, and now it is his role to seal it once again.

And that demon lord is sealed in a tower dungeon that is rumored to be impossible to capture.

However, by an unexpected coincidence, he had found out that the Demon Lord is also one of him, a kindred spirit from within,

so he joined her instead and filled several traps in the tower dungeon, and thus they enjoyed a s*x spree with all the women coming over!

[Disclaimer: Contains comedic humor and elements that may not be your preference. There is Gender-Bend, NSFW in Some Chapters, Futanari, GL/Yuri, Harem, Gore. Future Chapters Will Have More NSFW Scenes. Be warned before reading and go to other books you may like.]A devastating tragedy befell the Imperial Family of the Valtirium Empire, with the emperor and his offsprings meeting a grim fate. Amidst the destruction, one unexpected heir remained - the youngest and most infamous of the Imperial children, Argider Valtirium. A lustful man who bedded several women.Upon inheriting the crown, Argider seized the opportunity to cast off the shackles of responsibility and propriety. Driven by a mix of grief, resentment, and an insatiable desire for personal pleasure, he indulged in every whim and vice that came his way.However, fate played a cruel trick; he was assassinated. Then, in mockingly after he finally promised to act on his duties, he awoke the next day as a... girl?!- [Welcome To The Redemption System. Repent Or Stay As A Woman Forever!]“?!”In order to return to his former self, Argider needed to become a better person. Will he endure the all the forced character developments, the consequences of his actions, the constant disturbance between him and his desires, and last of all, redeem himself as a human?Follow him on his journey to get through the political ambitions, personal struggles, wars amongst the people who he had done wrong, and reflections after becoming a woman.

Zhou Wenwen, who had traveled to a parallel world because of sudden death, thought that he could only live in such an ordinary life in this life, but the golden finger finally opened. He has a store where he can buy technological items and magic equipment to ensure his survival.

But the threat that followed made him realize that this place is not ordinary, because there are Transformers, Marvel, the Dark Portal from World of Warcraft, etc.

- Description from novelbuddy

[Scanning completed][Host detected. System activated]“What's going on?”[Host, I am the system. I will help You Build Your Empire. You have arrived in a world called Proxima Center. It is 10 times bigger than your planet]In This story, we follow the life of Alberto, a World War II veteran who was killed in action during the war.But God decided to give him another life. He sends him to a fantasy world. This fantasy realm is ten times the size of Earth, teeming with legendary creatures and vast nations that rival even the might of the Mongol Empire. Where our main character will build his country entirely from scratch using the system given by God. A powerful system that is capable of making him a powerful beingSo let's enjoy our main character's journey together.Join Alberto on his epic journey as he transforms from a soldier into a sovereign, building alliances, facing formidable foes, and perhaps even discovering love amidst the chaos.