Akira Hiiragi

Base: Mermaid Island
Type: Liberator (A-virus)
Height: 170 cm
Weight: ???
Eye Color: Green
Hair Color: Red
Hair Style: Short Tomboyish-cut
Breast Weight: 6.5 kg
Cup: K
BWH: 109-70-86

He is the sole man on the whole island which wields him great power. He is the Governor over the whole island.

He is actually a She disguised as a male in order to stand out and gain power over everyone in order to find a way back home. She was told by her mother to disguise herself as a male so that she would be the odd one out.

Whenever she dresses up as girl, she uses the Ms. Heel Hold.

(Source: Valkyrie Drive Wiki)