The Strongest War God - Chapter 2064: Firmament Sword Sea

Possessing the power of the demonic path, he follows a cultivation method that absorbs the essence of heaven and earth and seizes the spirit of all beings.Yet this power invites endless enmity, shunned by the heavenly way and despised by righteous sects. His sect is destroyed, and he barely escapes with his life.By chance, he acquires a mysterious blood mirror that opens a portal to an apocalyptic world overrun by zombies.On this world, he can freely sacrifice zombies without facing divine retribution; instead, he gains boundless merit and luck!Freed from the restraints of the heavenly way, his lifespan and cultivation soar to unimaginable heights, rivaling even the heavens.True demonic cultivation is not just the pinnacle of power—it is the path to defy fate and reshape destiny!

Satou Shiki a Japan present-day university student suddenly one day he got attacked by a slasher when he open his eyes he was already transferred to another world’s labyrinth city. In that another world he who was awakened to do a lot of “things”.

[Warning: Mature Content -- R18][Initializing System…][Welcome Player: Jaxon Sterling][New Identity: Jax Rayne – Extra Character][System Bound: God-Tier Lewd System][Core Functions Unlocked]→ Stats (Stamina | Charm | Resolve | Technique | Luck)→ Skills | Shop | Quests | Achievements | Titles→ Devotion Points (DP) as Main ResourceHe was Earth’s greatest gamer, Jaxon Sterling. Unstoppable in every match, but utterly bored of life.One night, after mocking his sister’s strange “reverse-harem” game, he tried it out… only to wake up inside it.Now, he isn’t the hero.He isn’t a rival.He’s just an extra.Worse, the world he’s dropped into is twisted:Women are powerful, men are treated like pets.Every duel decides not just pride, but property, money… even flesh.The heroines? All from insanely rich families, with influence across nations.But Jax has one advantage[God-Tier Lewd System Activated.]A system that turns lust, devotion, and conquest into power.Every kiss, every moan, every conquest earns him the strength to rewrite this broken game.Now his path is set:Survive Starlight Academy.Conquer prodigy heroines.Break the rules of Aeroria.And rise from extra… to legend.Content Tags→ Smut / R18+→ Harem, Comedy, Action→ Game-Elements / Stats / Quests→ Genius MC, Cold-Headed, No Beta moves→ Slightly towards Netori (Mc stealing well using others wife)→ No Yuri→ No Netorase / Yaoi / BL→ System + Worldbuilding Driven

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.