Taimanin Shiranui – Inyoku no Dorei Shoufu episode 1

This is the prequel of Yukikaze series. The heroine, Shiranui, who’s also Yukikaze’s mother, went missing on a mission. She got captured by unknown group ande taken to a place called Under Eden. In five years, Shiranui was trained to become a top slut in Under Eden. Yukikaze and her friends finally found a clue about her mother whereabouts. But unfortunately, her mother is beyond the save..