在以下频道推出： Pluto TV、Prime Video、Tubi、Crunchyroll
第 1 季，第 1 集: In modern-day Japan, a phenomenon is occurring, dismissed as irregular land subsidence and unusual weather patterns. Ryuujin Shougo is your average high school student, heading to school as always with his childhood friend Saho. Three young men are tailing him -- "Is he really Dragon Bone? Humanity's last hope?"
Anime · 2014年1月1日 · 22 分钟