I Woke the Sick and Disabled Prince on Our Wedding Night - Chapter 463 - : Interception

Trying to earn a living everyday kept Hyun-Soo busy. However, one day when he was doing a side job of threading beads, he realized something.

-Ding!

The King of Hell sentences you to death by midnight, but I can ensure that you live past morning.

The young man, Qin Lang, received the inheritance of a poison school by chance. He uses poison to kill people, uses poison to save people and he uses poison to chase beauties. With body of ancient extinct poison and a body of a martial artist, he walks around the city, and wanders around in the underworld.

- Description from Novelupdates

[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.

Revenge is the only thing she wants after knowing the truth.