Dragon Heart: Reikai Tanbouki

After a drowning accident, junior high student Ryusuke and his cousin Tomomi are rescued by a dragon and taken to the spirit world. An elusive old man promises their return to life only if they first explore this realm and discover their true purpose. Originally titled ドラゴンハート: 霊界探訪記, their quest begins in a 1960s-era town where they face a series of unsettling, otherworldly threats.