- Artistic License Religion: Uhm, Mrs. Shinjou, angels and their relationships with humans? They aren't like you tell them. (If Amamiya aka the Archangel Michael wanted to marry a human, i.e., it'd be VERY complicated.)
- Yoko Oh No: In-story example, as Amamiya's fangirls are NOT amused when they learn not only about Miu's interest in him, but that they get along well. They immediately rush to bully the HELL outta her.
YMMV / Akuma na Eros