Kyoto has become a place where humans and monsters have chosen to coexist, and Chimi-Mouryo has become rampant. Saki, a succubus who attends a school in Kyoto that has turned into a magical land, uses her beauty and abilities to become the school's princess!!

Even such a reckless girl had a natural enemy. His name is Ashiya Yuu! A tough-looking man who won't fall for only himself and is loved by other demi-humans!!!

Saki, who calls herself the queen, can't stand this sight, so she tries to bring down Ashiya faster than the other demi-humans, but...!!?

Tatsumi enters highschool with his childhood friend Amasawa Kokoro, nickname Ama-chin, who is a extremely feminine looking trouser-wearing boy that likes to mess with peoples expectations of his gender.

From AQUA Scans:
As a vigilante group loved by the local residents, the Alfano Family spent their days living peacefully. However, ever since the rise of a rival Mafia, dark clouds have been hovering over them.. “Go to your late mother (former Yakuza)’s homeland, Japan, and bring the seven strongest people who were once her subordinates.” Accepting this secret order, Leo heads to Japan. The seven people he seeks for are… The Seven Gods of Fortune that were sealed away in a hanging scroll!