Boku o Baka ni Shiteita Bakunyuu Onna-domo o Zetsurin Gokubuto Nikubou de Juujun ni Saikyouiku Shita Kekka
A story about a futanari witch who summons her past self with summoning magic and has sex with her smaller self
(C96) Okaa-san Watashi-tachi Ochinchin Haechatta. (Girls und Panzer) | Mom... We Grew a Penis! (Girls und Panzer)
Futanari Onna Kishi ga Youjo o Okasu Ohanashi | The Story About a Futanari Female Knight Who Violates a Young Girl