A woman mentioned by Beo during his sparring match with Rayleigh. Beo internally apologizes to "Sister Shakky" when he tries to kick Rayleigh, implying she is someone he knows or respects. She is not directly featured in the scenes but is part of the background world. Beo's remark suggests a close, perhaps familial, relationship or acquaintance, likely connected to the Roger Pirates' extended network or past. She is assumed to be a powerful or significant figure in the world.
