Aoi Koshimizu

Aoi Koshimizu (小清水 葵 Koshimizu Aoi) is one of the teachers at Haruka Shinozaki's school, as well as the school nurse. She is quite lecherous and stays long after closing hours in the infirmary to receive and get "entertained" by selected male students.

Trivia

 * The name Aoi means "hollyhock, althea" (葵).
 * Aoi's surname Koshimizu means "small" (小) (ko), "clear, pure, clean" (清) (shi) and "water" (水) (mizu).