Wicked City (1987)
As the peace treaty between Earth and the demon-infested Black World nears its expiration, two unlikely allies step into action. Human cop Taki and demon officer Maki are tasked with safeguarding a diplomat crucial to negotiating a new agreement. However, their mission grows perilous when a radical faction of demons plots to eliminate the diplomat and thwart the treaty. As danger escalates, the deepening connection between Taki and Maki becomes pivotal in their fight against impending chaos, with the fate of Earth hanging in the balance.
