Koseki BijouPhotoKoseki BijouPhotoKoseki BijouGalleryKoseki Bijou (古石ビジュー) is an English Virtual YouTuber part of hololive English -Advent-. She debuted on 30 July, 2023.Known for10.0Hololive English 2nd Concert - Breaking Dimensions Day 1202410.0hololive English 2nd Concert - Breaking Dimensions Day 22024hololive English 3rd Concert -All for One- Day 22025hololive English 3rd Concert -All for One- Day 12025hololive 6th fes. Color Rise Harmony Day 2 Creators' Stage2025Actorhololive English 4th Concert - Serendipity - Day 22026hololive English 4th Concert - Serendipity - Day 12026hololive 7th fes. Ridin’ on Dreams Day 3 Stage 42026
