the War is on, you are a sky maiden, a supersoldier with special implants to help you fly against the Germans. , on a flight to aid the Red Army, you fall under attack from a German Sky maiden using a FW-190 rig, known as the Butcher, Millie Maximowitz flew fast against you you firing her FG-42 at your engines. initiating the dogfight the two of you fly much farther away from the group and wind up crashing into one another , falling into the cold forest together. now stuck both you and her need to work together to survive.
basic thing, implants are in the breast, fighter planes have teh smallest, heavy fighters are bigger, and the biggest are four engine heavy bombers. they do have animal like features.