Broken Bond: Claimed by My Ex-Husband's Alpha Billionaire Uncle - Chapter 7: A Foolish Woman

After a tear in reality pulls Kagari Shuya into a white room he discovers a futuristic interface for reincarnating in a different world. After looking through the different races and skills he unlocks a new race, Lucivault, a type of vampire with none of its characteristic weaknesses. All set to start his life in a new world, Shuya is confused to discover that he is enveloped in darkness. As it turns out something went wrong when he was transported and instead of appearing where he was supposed to, he appeared in an underground cave. Shuya faces untold dangers, runs for his life, before finding his way out of the underground world. After escaping he meets his Shishou and begins to learn to fight with a spear. There is also a cute black cat named Rollo.

[Science Eliminates Immortals] Fake Qi Practicing Phase cultivators: Casting fire and water magic, controlling flying swords to decapitate enemies from several tens of steps away, and possessing a shield magic tool for both offense and defense.Real Qi Practicing Phase cultivators: Driving a Type 99 main battle tank, equipped with a 125mm magic tool main gun pulled by Divine Sense, two 12.7mm anti-aircraft and anti-field magic tool machine guns corrected by Divine Sense, nine assorted electromagnetic missiles suspended at the rear of the tank, drawn together by Divine Sense, and four reconnaissance drones, bombing enemies to ashes from 20 kilometers away.Even more real Nascent Soul cultivator: Operating an Air-Space Mothership cluster, with a combat range spanning thousands of miles...

Uchiha Kai has been cautious since he came to this world. He vowed that he must be cautious and go to the end.

But one day he received a mission – to cover the wave wind team to blow up the Kamabashi Bridge, Uchiha Kai knew that he was going to be unlucky…

- Description from novelbuddy

Two heroes of the game Legend of Heroes 2 who were rotten waters*.