You're retarded, those aren't doujin pictures, they're official material.
First page: "only things recorded are trustworthy."
Anya feels there's something wrong about her memory. When she sees Ganymede...
"Ganymede, I knew its name from the data in army. It was the prototype of one of the candidates competing to become the mainstream KF in the Britannian Forces. Since it lost the competition, Ganymede has become a dream mech. As for who developed it, the Ashford family, I have no memory of them. I don't recall knowing any person of that name. However, records... photos are left in my cellphone's databank. Old photos that I don't remember taking."
And tears come out of her eyes when she operates Ganymede.