Buta no Gotoki Sanzoku ni Torawarete Shojo o Ubawareru Kyonyuu Himekishi & Onna Senshi: Zettai Chinpo Nanka ni Maketari Shinai!! The Animation

Based on the visual novel Studio Erectlip. Alternative medieval fantasy world. The main character Princess knight Henriette together with his companion, the warrior Helga are captured by the robbers. The leader of the robbers is a rare pervert and a fan of huge Boobs, decided to find out for our heroines to whom of them to be his member's size.