Counterattack System appeared when I'm already At The Mahayana Realm - Chapter 640 - 639: Who Isn’t a Heavenly Immortal

In a world teeming with Titans, Colossals, Gigantic Monsters and Kaiju's, Erian who reincarnated makes his living collecting scraps of low-grade Defective Genetic Serum, realised he transmigrated along with his system.

Follow Erian as he grows to become the strongest Disaster Grade Titan with the help of his Titan System!

He doesn’t want to be wanted for bounty, or be a pirate, but if there’s no other choice, he can only become a pirate…..

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

“Meet. Befriend. Seduce.”

Those were the words promised which made him excited.

“Play Nightlife and date your favorite Vampire Girlfriend!”

—-—-

When Lukas purchases Nightlife, all he expected was dating all the girls and getting the sweet sweet “plot”. He didn't expect to be thrown into the world entirely!

What's a Vampire got to do to survive?