You play as a girl named Urotsuki. Due to the vast and many, many worlds of Yume 2kki, plus the four main endings, multiple theories have been made, and it is really up to the player on how they choose to interpret it.

You play as a girl named Urotsuki. Due to the vast and many, many worlds of Yume 2kki, plus the four main endings, multiple theories have been made, and it is really up to the player on how they choose to interpret it.