Hikari Kirishima

霧嶋 ヒカリ

Hikari was the mother of Touka and Ayato Kirishima. Arata Kirishima was her husband. [Spoiler] Hikari is the elder sister of Renji Yomo. [/Spoiler] [Spoiler] Hikari was killed by Kishou Arima shortly after Ayato and Touka had been born. [/Spoiler] (Source: Tokyo Ghoul Wikia)