MTL - Artifact Planting Space - v2 Chapter 105 Sneak attack

This is a story of a little man who walks forward silently, in awe, and strives to chase his dream.

- Description from novelbuddy

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates

I met the male lead in prison.

[Congratulations Seo Hoyun! You have been selected as a player in the Unknown Idol Tycoon.]The good-for-nothing PD, who is criticized by everyone, becomes a unknown idol in a parallel world.Only his younger sibling remembers him.To return to the original world, he must become a top idol and clear the game!“…Quest accepted.”“Are you crazy?”“Don’t we need to eat and live?”His specialty is blackmailing, his hobby is persuasion.The survival story of the unscrupulous PD-turned-idol who will stop at nothing!