Big Man Japan (2007)
An eccentric man living alone in a decrepit house in Tokyo periodically transforms into a 100 foot tall giant in order to defend Japan against similarly sized monsters
His Motorbike, Her Island (1986)
After a failed romance, a temperamental young biker meets a carefree rural girl while riding through her island hometown and gets her obsessed about riding a motorcycle
Dead or Alive 2: Birds (2000)
Two contract killers cross paths in the middle of the same job and realize they are childhood friends