Day and Night

Story Summary : Rikka Suzume goes under the name "Skylar Ride" and is an orphan. One day Isamu Kazuki son of Isamu Takuma who is the leader of the Isamu Mafia Clan goes to the lower ring and takes Skylar back with him to the upper ring. Mysteries lies ahead on figuring out Skylar's parents, and about Mafia Clans