In the distant future, humanity is now only made up of women. Kohane Sumino has just enrolled into the prestigious Shirasakuya Academy that contains within it a secluded courtyard garden maintained by the Ga...

One day, while Shirou was delivering a secret weapon to his colleague, he met Amane Mao, a super strong girl who is capable of lifting cars. Suddenly, an ERROR, a monster that struck Old Tokyo 14 years ago, ...

The story is set in a futuristic and peaceful world made possible thanks to the invention of the Manifestation Engine (示現エンジン Jigen Enjin), a powerful engine that creates energy from the sky and ...