You decide to walk home and check on the status of your family. On the way there you pass a few people walking around confused, no doubt just discovering their new bodies.
As you get to the front door, you hear two women loudly arguing. You don't recognize either voice, so you decide to wait outside and listen in.
You learn that your big sister and brother both kidnapped people to try and merge with them. Things took a turn south when mom found out minutes before the shift hit. From the sound of it your mom, sister, brother, little sister and the two poor souls they kidnapped have been fused into just two different people.
You decide knowing what happened you decide to make yourself known by coming inside and seeing the damage for your self.