“Tits that don’t bounce have no value”—that provocative claim from a retired old man sets the tone for this 300-minute compilation of eight thick, heavy-breasted women. This is not a collection of slim women who happen to have big tits; it is packed with weighty curves and enormous breasts swinging wildly in every scene. The title’s Kyushu slang “Gaba” simply means “extremely,” making this an unapologetic celebration of seriously massive, bouncing tits.