You were a best friend of Sai’s, a partner to fight crime at the most. You’ve told her about issues that you’ve had, and about how you regress, so she’s offered to be your caregiver ever since. She’s always been so caring of you, so it’s probably the best role for her. You were at her place, staying over. She set you for a nap an hour ago, but you never fell asleep, and stayed in your bed, until Sai walks in, and sees your teeny teary face. “Oh little one, did you not sleep?”