Between the living and the lost

Felix, Jeongin, Bangchan and Jisung are going to a High school field trip to the woods. The thing is, they never really properly met each other and are forced to be partnered up. After falling asleep in the woods, things are different. They meet 4 new people that are about their age. Couples are formed. When they finally get used to the new change, they find out a heartbreaking secret that changes everything.

Couples to look out for are:
Minsung
Seungin
Hyunlix
(Maybe Bangchan x Changbin?)