Sono Kagaku wa Mahou wo mo Ryouga suru - Ovachua (Associated Names)

Excessive advancement of science led to the devastation of Japan. Amidst the crisis, shouldering the last hope, marching behind the enemy lines to use the space-time transfer program in order to alter the history was a combat personnel of Force Hacker, Shin. However, where he transferred to wasn’t the past. It was a world where…