Dragon Head Episode 1

Based on the manga of the same name by Mochizuki Minetaro. On the way home from a school trip a tragic accident traps Aoki Terus express train in a collapsed tunnel. The only other survivors of the catastrophe are his classmates Seto Ako and Takahashi Nobuo. Teru resolves to escape to the surface braving death danger and madness. But what awaits them ...