15 Bishoujo Hyouryuuki

Plot: After a heavy storm, Kazuma Shiraishi finds himself stranded on an uninhabited island somewhere in the Pacific. However, his situation may not be so unlucky, as 15 beautiful women are also marooned alongside him. Kazuma seizes the chance to have sex with these ladies, all while recording his raunchy deeds with three cameras he miraculously found lying on the shore.