Apocalypse Cheater - Chapter 10: Visiting the Tower

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?

[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.

An alien race invaded the Earth on June 6, 2128. At the midst of this war, many nations allied with the alien threat and the war nearly wiped out the rebelling humans of the planet. At the edge of mankind's survival, the United Nations Army launched its forces to eliminate the immediate stellar threats that loomed over Earth.

General Seeker Carlean, commander and leader of the mission, risked and gave his life to destroy the immediate stellar threat. The battle was won though Earth lay in ruins. Perhaps mankind will live to see a few years of peace before the alien threat returns to wipe out their existence.

At the immediate aftermath of the stellar battle, the fallen Seeker Carlean awakens and finds himself at aged 17, living the peaceful life he lived 16 years before he died.

So begins a new game in the battle for humanity's survival.

He is an undead who is devoid of all humanity, he is the one and only supreme overlord, he is a man who has severe mysophobia.