It's too late even if you tell me now that you're going to have everyone kill each other. Everyone is already dead, and now you're going to go kill as well.

A joint camp visit organized by a university club. On the bus during the trip, smoke suddenly rises, and the members are struck by drowsiness one after another! The bus carries the sleeping members to an unfamiliar island. The members brought to the ruins find themselves fitted with mechanical collars!! What is displayed on the mysterious TV in the corner of the ruins──!? And this is a comedy!! Why is it!?