The meaning of rolling girl

Rolling girl is a fairly complicated song. The meaning of it has never been confirmed. So I figured that I'd go over what I think the meaning is, as well as a few other theories.

Rolling girl music video: https://www.youtube.com/watch?v=FMDxKRx10mU

Rolling papyrus music video:https://www.youtube.com/watch?v=TwfBFyYrR64

Rolling girl piano ballad: https://www.youtube.com/watch?v=SmWcztWN6wM

Видео The meaning of rolling girl канала Coffee Bean