100 days trap with my Bestfriend

One day, Althea and Aron who used to be bestfriends got trapped in a fantasy-realistic world where all of there needs are there but they have task to do for 100 days to go out or they will be trapped there forever Will they accomplish the task? or who's gonna give up? after those challenges, Althea began to have feelings for his bestfriend Aron Althea chose to hide her real feelings because she know that Aron treat her like a sister Will they end up in a tragic or it will turn a love story?