Sister Princess

After an unexpected failure in his entrance examination, Wataru is sent to attend school on Promised Island. His plans for an ordinary student life collapse when twelve girls greet him as the older brother they have been waiting for.

Each sister has her own interests and her own way of demanding his attention, leaving the sheltered boy bewildered by his new family. As he shares their worries and adventures around the island, Wataru begins to discover a life beyond studying and the expectations he once followed.