Jizz inside Winry.

You start bucking forward wilding, battering the inside of Winry's pussy. Then you grab her hips and press all of your weight onto her and into her as the head of your cock spasms violently. Winry is moaning loud and uncontrolably. Your balls empty into Winry's cervix in a series of a dozen strong blasts of jizz. Winry enjoys your quivering bulging cock inside of her almost as much as you do.

When you're quite finished emptying yourself into Winry, you slowly pull out your cock. When your head pops out of her pussy she gasps and a stream of semen runs out of her onto the bed, before her tight post-orgasmic pussy closes to keep your seed inside. The most primal part of you hopes you impregnate this brilliant hot blonde.