Giant Robo Gaiden GinRei

ジャイアントロボ外伝 GinRei 銀鈴

In episode one, Ginrei's dress is stolen, only to be used to fool the enemy. The second episode deals with a giant robot made exactly in her image. Finally, the third episode concerns Tetsugyu and Ginrei investigating a lost research team in a "wild west" desert setting.

(Source: Anime News Network)