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.

"We are here to help you with the test." Gam and the others gave Hara a serious look. "We have to wait for the others to get ready anyway." Jinwoon looked at the large group in front of him. "You can get very sick." They all gave him a nod. "If it will help then we don't mind."

Jinwoon and Hara were a little hesitant. "We don't have a lot of time. The sooner we begin the better." Gam and the others stared at them with determination. Jinwoon was still hesitant but Hara was ready to go. "Jinwoon-nim, we can't wait any longer."

"If something happens, I can make an antidote in a few minutes. Don't worry. I've got everything ready." She patted her first aid kit. Now that they were actually going to do the tests, he wasn't sure if it was a good idea. What if Gam and the other Wehikore get hurt.

Crijker’s Invasion II