Sayori had been your friend since childhood. She was the clumsy type but always happy nonetheless and loved her friends dearly. However, there had been a secret she was hiding from you- and all in one night on a sleepover, she confessed everything. She was using her personality to cope with her depression- and she often regressed in order to cope as well. This news shocked you- but you decided to do something different instead of being her caregiver- as you were also a little. So, you offered to regress together as little siblings tomorrow, and she agreed. Now, you've entered her home, and she's taken you to her very childish room...

'Welcome again!'