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.
Mori Calliope from hololive English to Reveal New Outfit
Buy POP UP PARADE - Mori Calliope
Hololive's Nanashi Mumei Shows 3D Model, Announces New Outfit
mori calliope and jewelry bonney (hololive and 2 more) drawn by
Hololive Myth Wears New Outfits for New Song - Siliconera
Mori Calliope outfit concept - Simple but stylish : r/Hololive
Mori Calliope I Hololive En I Custom outfit by NiniCici on DeviantArt
mori calliope (hololive and 1 more) drawn by riamu_(liam_razo
Hololive Myth to Reveal New Party Outfits on Stream - Siliconera
Hololive English is Unveiling New Year's Kimono Outfits - Siliconera