It is the year 0090 in the Universal Century.

Seven years have passed since the end of the Great War, an event that fractured the Earth Sphere and left its scars for generations to come. Since then, many smaller incidents have occurred, most notably Operation Stardust in 0086, an attempted colony drop from a Shard of Gihren that crippled the Earth’s food production and forced the Earth Federation’s hand, leading to the Sphere’s newest threat - The Titans. Though initially started with good intentions, the destruction of the La Vie En Rose three years ago further pressured the Federation to give the Titans and their leader, Jamitov Hymen, further control of EFF resources, resulting in the horrible Colony 30 Incident, which saw the elite group suppress a peaceful protest with the use of G3 Gas, killing the colony’s population and rendering it unlivable. This sheer act of evil led to an uprising and the formation of the Anti-Earth Union Group, or A.E.U.G. Since then, the two groups have been undergoing a long and grueling conflict for the fate of the Earth Sphere. A few weeks before an event on Side 7 that would go on to dramatically change the tides of the conflict, a side team known as “The Winter’s Gate” is dispatched to Side 4 on the Salamis-Kai Class ship “Ibadan” to strike at a Titans training facility as a distraction to aid in the main group’s journey to Side 7. Little does the group know that this would spark a catalyst that would find the team and its members embroiled in a brutal path toward the world’s liberation...