Lilin (Suikoden IV)

Lilin, from Suikoden IV

This one is tricky, depending on your model you may want to use "blue leggings" "bipedal mermaid" or both at the same time.

Notable tags: blue leggings, white bodysuit, bipedal mermaid, fins, long hair, blonde, blue sidebangs, blue streaked hair, single braid,