Interspecies Relationship manga

These manga focus on romantic or sexual relationships between beings of two different species, such as Gods, Vampires, Robots, Demons, or others. The characters might be humans who are in a romantic relationship with a non-human, or non-human beings who fall in love with each other, such as an angel and a demon, an elf and a werewolf, or different kinds of animals. See also: God-Human Relationship.