Gunslinger Stratos The Animation

Tohru Kazasumi's orderly life in the year 2115 is shaken when he encounters an enemy wearing his own face. Pulled into a battle across time, he learns that two possible futures are fighting over which one will continue to exist.

Alongside classmates who know far more than he does, Tohru must take up a gun against alternate versions of familiar people. Yet recognizing humanity in the other side makes the demand to destroy it harder to accept. Survival means questioning the rules of a war that presents his other self as its enemy.