Can an adventure turn into the worst nightmare ever? Some university students let themselves be convinced by their teacher to live an adventure inside an anti-atomic bunker, in order to acquire useful information for their theses. The temperaments and diversities resulting from the girls' heterogeneous social backgrounds ensant an interesting, but, at the same time, complicated...。一小群幸存者发现自己在一间充满乐趣的房子里度过一个后世界末日,他们变成了一个防空洞。。