Female Weapon 701 (2017)

A giant monster Tetsudon is attacking a peaceful town. To protect civilians, the Self-Defense Force is deploying an ultimate weapon - a giant female-shaped combat robot 701. Sayuri, who is piloting a robot, deals with the monster, but in the ruins of an accidentally destroyed love hotel she notices her boyfriend, who is cheating on her with another woman.

Unfortunately the movie Female Weapon 701 is not yet available on HBO Max.