ホロウドライヴ

When 'I' woke up in a corner of the devastated world, my body had been turned into a machine. I have no memories and do not even know my sex. Setsu, a girl from a ninja clan, appeared before me, She told me that my face was identical to that of my twin brother and sister who had just disappeared. Am I really the 'hero' brother or the 'murderer' sister? ...... To find out the truth, I enter a …