On the night of Setsubun, the Japanese celebration to welcome spring and drive away evil spirits, a young boy and his father have a disturbing encounter at the local grocery store, blurring the lines between myth and reality.

In a post-apocalyptic future where an event known as "The Quiet Rapture" caused all known stars and habitable planets in the universe to disappear, a convict is sent to search an ocean of blood discovered on a desolate moon, using a small submarine nicknamed the "Iron Lung".

An 8-year-old orphan with supernatural powers searches for her missing parents, uncovering dark secrets and a dangerous conspiracy that threatens the world