Hololive's Calliope Mori will unveil a new One Piece themed outfit on July 8, 2023, as part of a continuing colaboration with the series.
Vtuber Mori Calliope Collabing with One Piece?! : r/OnePiece
Mori Calliope Ch. hololive-EN, Wikitubia
Calli's One Piece outfit looks amazing! : r/Hololive
hololive - Mori Calliope Ch. / Characters - TV Tropes
New EP from Mori Calliope
Hololive's Calliope Mori to Unveil Outfit Inspired by One Piece - Siliconera
One Piece Debuts Special Vtuber Music Video: Watch
New EP from Mori Calliope
Mori Calliope collabs with One Piece, Twitter is MAD
All change: Hololive English's new outfits make our girls look better than ever - Rice Digital