The [[Beret]] [[Sisters]] are a pair of identical [[twins]] who wear [[beret|berets]].

The [[black twin]] can be first found in the [[theater]] area of the Dark Room. Interacting with her will take [[Urotsuki]] to the Snowy Pipe Organ.

"2kki Wiki":[https://yume2kki.fandom.com/wiki/Beret_Sisters]
black twin