Marginal Operation manga volume 15 features story by Yuri Shibamura and art by Daisuke Kimura.

Reunions abound...

Now that Arata has secured sponsor funds, he’s ready to procure the anti-aircraft weapons he so desperately needs. But before that, he encounters some old friends—and enemies! Laying his grudges to rest, he moves forward with fighting back against China’s aerial forces. Win or lose, nothing will bring back the people he’s already lost, but he can’t afford to stop now.