Twilight of the Cockroaches

is a 1987 anime/live-action film written and directed by Hiroaki Yoshida that combines live-action footage with animation. Famed Japanese illustrator Yoshitaka Amano worked on the film as an art director and character designer.

Plot
In a trashy bachelor pad lived a society of roaches who were able to roam freely for food or for games. Because of the homeowner being gentle with the roaches, they have no fear of traps, spray, or being stepped on. But when the homeowner starts bringing over a woman over, life starts to change for the roaches who are already living an easy life.