Chiester 00 (シエスタ00 Shiesuta Daburu Ō?) is a member of the Chiester Sisters Imperial Guard Corps, which serves Pendragon, 00 has the position as their calm and composed leader. However, while that is the position demanded of her, she actually has a weaker composition. 00 excels in reconnaissance and as an advance guard, possessing extreme supremacy in encounters. However, her excess fighting power is criticized as being inhuman, and it is not rare for her to be lynched and abused when she surrenders on the battlefield. Her one eye silently tells of that.


Chiester 00 wears a black uniform and has long blonde hair. She has an eyepatch over her right eye, and her left bunny-ear has a scar.


Umineko no Naku Koro ni

Umineko no Naku Koro ni Chiru

Anime Adaptation

Manga Adaptation

PS3 Remake

PSP Remake

Ougon Musou Kyoku



  • Like all other Chiester Sisters, 00 is named after a firearm round, the 00 "buck shot" shotgun shell.