VITA Sexualis

One day while Shirou is delivering a secret device to his colleague, he meets Amane Mao, a super-strong girl capable of lifting cars. This device, the VITA system, is a new weapon theoretically capable of defeating ERRORs: a breed of enormous, cybernetic mutants that necessitated the use of weapons of mass destruction on Old Tokyo fourteen years ago. Suddenly, one such ERROR appears before the two and goes on a rampage. Shortly after a failed argument to convince his colleague to approve use of...