The year is 2023 and Alien Beings known as Lucifer Hawks have begun invading earth from another dimension. All that stands between them and the enslavement of the human race is the Attacked Mystification Police Department - a special division of the Tokyo Police staffed by women with amazing paranormal abilities. (Source: ANN)

Graduating senior Sakisaka Saki is secretly in love with her older sister Noriko's boyfriend, Kazame Kaname, unaware that Noriko and Kaname have broken up. Saki hopes to escape her dilemma when she goes to college, but she ends up attending the same college as Kaname. During orientation, she is recruited to Kaname's video club. He wants to film her, but so does another boy, Tachibana Daichi, who is secretly in love with her. Can the knots be untangled and true love find its true course? (Source: Orphan Fansubs)

After a long time, Wataru has decided to leave his family home and live on his own. The girls have also decided to split up and most of them are living separately as well. But none of them have forgotten about their brother and still stick together to meet him. (Source: AniDB)

Wataru Minakami is a top student who failed his high school entrance exam because of a computer glitch. He later discovered that he was accepted to Stargazer Hill Academy, which is located at a mysterious place called Promised Island. At the request of his father, Wataru is whisked away to the island, and before he can settle in, a dozen of cute and charming girls start to flock him and claim to be his younger sisters. As Wataru gets closer to his newfound siblings, a deeper mystery as to why they were sent to the island comes to play. (Source: ANN)