Gundam 00 x Infinite Stratos

Madoka Orimura/Lockon Stratos Male Oc x Infinite Stratos

Synopsis:
Makoto Orimura(genderbent Madoka) is the twin brother of Ichika Orimura. He is a bit more stubborn than Ichika, so when Ichika and himself are Kidnapped by Phantom Task, Makoto breaks out and attempts to fight off the Phantom Task IS units...with an assault rifle.
Tabane, having caught wind of this earlier than normal, Saves Makoto and Ichika afterwards informing Chifuyu of what happened. To check on Makoto's mental health, Tabane uses an IS unit to monitor his mental health levels. Surprisingly the IS unit activated Five years later.