Poisoning the World The Secret Service Mysterious Doctor is a Young Beastly Wife - Chapter 457 : None of Your Business

A black pearl brought Jiang Feng from a doomsday stage where top masters with one emperor, two emperors, three emperors, four deities, and seven peerless cities show off their glory to parallel time and space, and this time and space-the end of the world has not yet opened! !! Under the sky, the youth look up, if I have strength, can I get through … these two time and space! !!

- Description from 69shu

Ark is a young Swedish man. Growing up without the loving care of parents had a big impact on his life and his personality turned out rather cold, even though he is a good person. His life ends abruptly when he suddenly dies of a rare disease, but his story doesn't. In fact, he gets reincarnated in a world of swords and magic... as a wolf? Follow Ark as he tries his hardest to evolve and survive in this new world fraught with danger, after all, power is everything.

One day, I woke up only find out that I’d become a Demon Lord, an individual responsible for protecting a dungeon. The world I’d been spirited away to was one filled with violence. Gigantic monsters wandered through it and competed with each other each and every day for the right to survive. I had no choice but to strengthen my dungeon’s defenses in hopes of living another day—or at least that was what I’d thought. For some odd reason, I instead ended up spending my days in relaxation and bliss.

Yeon-woo had a twin brother who disappeared five years ago. One day, a pocket watch left by his brother returned to his possession. Inside, he found a hidden diary in which was recorded “By the time you hear this, I guess I will be already dead….”