She has a special dreaming skill. She will dream about a person continuously and do this thing continuously.
She dreamed of searching for warmth on a snowy mountain with Male No. 1.
She dreamed of surviving in a world full of supernatural monsters with Male No. 2.
She dreamed of studying with Male No. 3 In a school full of strange events.
Gradually, the feelings of teammates who shared life and death in the past changed somehow.
I regard you as teammates, but you want to be my boyfriend? !
But, she has a boyfriend...
Intention: Destined by fate