Risako Nagisa

Risako Nagisa (凪紗 りさこ Nagisa Risako) is a teacher of the school Aika attends who first appears in AIKa R-16: Virgin Mission. Appearence : In AIKa R-16: Virgin Mission, Risako has multiple outfits. While in school, she dresses relatively conservative, outside the school she prefers skimpy clothes like Neena Hagen. In AIKa Zero, Risako wears a lab coat due to her undercover role as a school nurse.