Plasticity suffers from the Big Chill. The extreme weather condition prohibits any human existence on the ground surface. Near the 50th Periphery, an underground hostel sleeps under this deserted landscape... Kirin is the doorkeeper of the hostel. He is an orphan and nobodies know exactly where he is from. People name him Kirin simply because he earns his life by collecting emptied beer cans. This enigmatic young man lives in his own solitude until one day he meet the beautiful nomad Lanlan...