Showa 66, Japan has bought out most of the United States with its strong economic power. A surge of immigration has firmly planted Japanese culture within the American continent. Two cultures are rapidly amalgamated, although conflicts are inevitable, citizens gradually adapt to a life never imagined as time goes by.
However, a mysterious catastrophic incident changes the world drastically. The social order is long gone. An unknown amount of time passes, a teenage girl mysteriously revives from the dead, only to find a brand new wild post-apocalyptic world with zombies, monsters, and human survivors of different backgrounds and beliefs.
What happened to me and the whole world? With many questions in her mind and trying to find answers, Choko embarks on an adventurous journey across the United States that will change her forever.
