JK to Ero Giin-sensei (2012)

While staying in an old travel lodge, a minor Diet member meets Hatsune. Wearing a school sailor uniform and black stockings, this seemingly well-bred long-haired beauty offers her virginity to him. She falls in love with his gentleness and leaves her home together with him.

(These OVA's are based on the game by Blue Gale Light.)