Rose Guns Days Season 3, Vol. 2 — Ryukishi07

For those I love, I'll pull this trigger.
Alan and Keith have found reasons to keep fighting, even in a divided post-war Tokyo. Their work with Primavera's battalion has given them a place to call home and people who need them. But when a revenge-obsessed US garrison major arrives intent on disturbing the waters, will Alan, Keith, and the rest of Primavera be swept away by changing tides...?