We Are Re:wind(On-Going)

Rem and Leonardo see a strange door in appear in the front of Leonardo's House,the two peek at the door and all things became white,so they became nervous now and trying to figure out how to escape there,while trying to get out there, Rem see a key and it looks it can match the door, so Rem give the key to Leonardo.And they try to open the strange door using the key given to Leonardo,and they shocked when the key really matched the door,So they open now the door and they see strange things there.They let their curiousity and they enter the door,The two are surprised because they see their old house and whispered in to each other,"Is this the past."