NamJaNun

Unlucky earthling Jinwoon has the worst luck ever. At work he is being terrorised by his boss. He has no love life and his 'family' life is a pain. His life sadly ends before he can change his ill-fate destiny.

Sung Hoon is the soon to be king of the Kingdom Namgyeong. He was raised by his single father in another kingdom. After his father's death he is brought to Namgyeong. 

After his death, Jinwoon transmigrates to an alternate universe where a mysterious being tells him to find the most powerful person on the planet. 

While Sung Hoon is told that Jinwoon is the only one who can help him save his planet. 
  
Trying to save the planet, Jinwoon (re)discovers things from his past and his new future.

How far do Jinwoon and Sung Hoon need to go to save their (new) world?

VERY VERY SLOW READ.

Tough Bride.

"It has been a month already. How long are you planning on keeping him inside?" Sung Hoon looked at the tank holding Gam. Sung Hoon and Jinwoon had been coming every day hoping that Gam could finally leave his tank.

"We're doing the last check-ups. He'll be able to come out by tomorrow." Sung Hi looked from Gam to Sung Hoon. "Everything looks promising. The spikes are gone. The Crijker's DNA has been… What's the word?... Confined and subdued?"

Sung Hoon let out a relieved sigh. "Are you sure?" Sung Hi nodded. "That's why we've kept him inside longer. We didn't want to put him back ever again. All the others here are also 'safe' even the once that are nearly mature." Sung Hi wanted to show Sung Hoon the data but stopped.

Blind for Love