MTL - The Old Gods Are Whispering - ~ sheep

[You have entered the dungeon at Gwachun Station’s 1st Exit.] When former high school student Kang Woojin finds himself returned back to Earth after being forcibly summoned to a foreign planet for 20 years, he soon finds that Earth is not the same, normal place as he once remembered it to be.

In the future timeline, Humankind had developed things that brought a revolution to the world. But their best invention was fully immersive VR games that became more and more advanced as time passed. They could create new worlds— in virtual reality, that was more beautiful and profound than the real world they lived in.

The empire has turned into the land of the undead due to a spell gone wrong. God summoned heroes from countless worlds to purify the empire and plant new hope. Lee Shin Woo, an ordinary earthling, was also summoned. As an undead, that is.

A mysterious virus emerged, and countless people around the world turned into zombies. Luo Yang, a young man who was about to risk everything, receives the blessing of activating the system.Initially, he gains a massive spaceship with hundreds of subordinates and a divine-level talent.Just when Luo Yang thinks he can live peacefully aboard the ship, he discovers the system's function: to obtain rewards by allowing other survivors to live on board.But Luo Yang doesn’t want to be a savior; the spots on the spaceship are limited, and only those who pay will be allowed to live in his refuge.