The Sacred Ruins - Chapter 1566

[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.

Jyera, a parallel Earth ruled by humans, was about to enter the interstellar era when the apocalypse arrived. Animals turned into monsters, humans became zombies, the weather went crazy, and all technology stopped working.Rick was a rookie firefighter on his first day of work when the apocalypse began. With the help of other survivors, they trusted each other and managed to survive the initial chaos.But due to the greed of his companions, Rick was betrayed by them and ended up dead. After regretting his choices and accepting his fate, Rick finds himself alive again 7 days before the apocalypse begins. Now armed with a powerful system and knowledge of the future, Rick plans to not only survive, but thrive in the harsh apocalypse…

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

- Description from novelupdates

A lewd story with Mom, Sisters and Aunt.—Incest Alert—