![](https://cdn.animecharacters.io/images/characters/large/149299-76dd72e2.jpg)
Futaba Kirii (桐井 双葉)
Base: Mermaid Island Type: Extar (A-Virus) Eye Color: Green Hair Color: Light Brown Kirii Futaba is an Extar in Valkyrie Drive Mermaid who serves as one of Charlotte Scherzen's most trusted followers and the partner of Hyouko Yumidou. (Source: Valkyrie Drive Wiki & anisearch.com)