Last Waltz

It was just supposed to be a summer training for sports clubs from team of boys and a lone team of girls in an isolated island owned by school administration. But one day, a civil war breaks out. Male teachers leave the island to see what's going on. However, they never come back. Several days later, they know that their ship is wrecked. Nothing to drink.... Nothing to eat.... They gradually lose their self-control.... The sports captain and club members wrecked havoc and raping the girls including a female teacher.