Ryo, a detective who has been treated coldly because he is an omega. The only person who was kind to him was β's senior Terahara. However, while investigating a certain case, Terahara gets involved in an...

Adel (α), the third successor to the throne of a distant country, saves the life of a boy with a necklace named Yui (Ω) during his stay as a foreign student in Japan. After seeing the name of a brothel engraved...