[[Virtual YouTuber]] and the Sparkling Gem of Hololive English [[holoadvent|-Advent-]], the third generation [[hololive English]]. Designed by [[Kitada Mo]].

h4. Appearance
[tn]See post #6540704 for reference sheet.[/tn]

She has [[very long hair|very long]] [[grey hair]] with [[pink hair|pink]] to [[purple hair|purple]] [[gradient hair|gradient]] [[colored inner hair]] and [[purple eyes]]. She also has [[purple gemstone]]s embedded or protruding on various parts of her body, most notably a large [[chest jewel]], small gems [[jewel under eye|under her right eye]] and on [[hand jewel|the back of her hands]] and [[detached wings]]. Despite appearances, her feet are not made out of gemstone and instead she has regular human feet encased in gemstone that she can remove at will. Her default hairstyle consists of [[hair flaps]], [[double-parted bangs|double parted]] [[center-flap bangs]] and [[sidelocks]].

h5. Costumes
h6. Regular costumes
* !post #6528021: [[Koseki Bijou (1st costume)|Default]]
* !post #7068785: [[Koseki Bijou (new year)|New Year]]

h4. See also

h5. Mascots
* [[Pebble (Koseki Bijou)|]]s (fanbase)
* [[Momseki (Koseki Bijou)|]] (IRL mother)
* [[Dadseki (Koseki Bijou)|]] (IRL father)

h4. External links

* "YouTube channel":https://www.youtube.com/@KosekiBijou
* "Twitter":https://twitter.com/kosekibijou
古石ビジュー bijouwled 古石ビジュ― KosekiBijou