Grassen’s War dj - Grassen’s War Another Story Ex

From Little White Butterflies:

The Empire, a powerful and thriving nation, seeking to expand its influence invaded its neighbor, the Node kingdom. With the war greatly favoring the ruthless Empire, the Node countryside fell into chaos, setting grounds for war crimes committed by the soldiers on both sides… naturally, bandits would eventually join in on the fray.

This doujin takes place in the world of DPC’s “Grassen’s War” series, which originally started as a HTML-based strategy game.