When The Lions Enter Isekai (Senjou No Valkyria)

The Second World War is over. The old British Lion comes out as the victor of this war. But they too suffered the consequence of fighting the Axis powers and fascists around the world. To many Britons, its colony, and Commonwealth subject cheered that the Empire still survive. On another dimension, the Principality of Gallia just enter the Second Europa War against the Imperial army. Having several defeats, Gallia would likely be close to being defeated. But It soon change a year later after the Second World War over a year later