Doc's Story is hentai manga created by Kouta Hirano featuring a protype version of The Doctor and a cat girl similar to Schrödinger.
In seeking ways to end the victor in the Second World War , Adolf Hitler hired a scientist (the prototype of Doc) to invoke a weapon that is lethal to his enemies. After making an invocation rite alchemical on a staff, it brings to a Catgirl.
Seeing that his experiment and its success has failed, Hitler is released (In the style of Lethal Weapon) hits the Doc and killing him. So arguing with the Catgirl and already trying to leave the room where he was, Hitler decided to take it by force and raping her.
In the end, Hitler finished his sexual experience, mocks the Catgirl.