Tanaka Tetsuro is excited at getting a full scholarship at a new high school, far away from his family. What he does not know is that he will be the only boy in an all girl school, and that there is a girl head-over-heels in love with him, waiting for his arrival. But his special friendship with the very cute and dynamic Asuka also causes him to get into a lot of trouble with the powerful student council leadership, as they are at open war with Asuka and her five friends, a group of super amazon warriors called the Koi Koi Seven.

For citizens of the Ken Empire, justice is a myth. Lord Keiro, the deranged Shogun of the Imperial Army, blazes a trail of terror across the countryside in search of the sacred sword that will make him a god. Standing in his way is Taito, an omnipotent star reborn in human form—a young hero who vows to use his celestial strength to avenge those slaughtered by the villainous Shogun.

Taito's mystical powers steer him toward a violent showdown with Keiro, and if used recklessly, his newfound abilities could shred the very fabric of his being. To master the art of control and become a heroic martial artist, Taito must seek the guidance of others like him: the seven star-born warriors with the strength to shatter a corrupt empire.

[Source: RightStuf]

The Futaba Detective Agency, being run by Rentarou, who has taken over the family business, after his father's death 3 weeks ago. Along w/ Sara & Souju, his live-in identical twin assistants. He ends up running afoul of the local Yakuza.

[Source: Anime News Network]