Raikou Shinki Aigis Magia: Pandra Saga 3rd Ignition - The Animation.

To make an erotic game, Tomori has gathered a group of girls with big tits. One of them was a boy named Mikoshiba. Tomori was impressed by the erotic illustration drawn in Mikoshiba's notebook that she picked up by chance, and decided to make an erotic game that would go down in history. To make the best erotic game, busty girls will become Tomori's harem.