Sister Princess

Synopsis

Wataru Minakami, a top student, unexpectedly fails his high school entrance exam due to a computer error. Soon after, he learns he has been enrolled at Stargazer Hill Academy, located on the mysterious Promised Island. Following his father's wishes, Wataru travels to the island. Upon arrival, he is immediately surrounded by a dozen beautiful and captivating girls who all introduce themselves as his younger sisters. As Wataru begins to form bonds with these newfound siblings, a deeper mystery about their presence on the island gradually unfolds.