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)+ More
Characters & Voice Actors

Aria
Main
Mizuki, Nana
Japanese
Chikage
Main
Kawasumi, Ayako
Japanese
Haruka
Main
Grant, Tiffany
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Hinako
Main
Varghese, Serena
English
Kaho
Main
Mochizuki, Hisayo
Japanese
Karen
Main
Kuwatani, Natsuko
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