War had already broken out across the Four Souls Underworld.
At the same time.
The Human Realm of the Four Souls World was not faring much better.
The Virgo Star Army Group, led by Vice Admiral Vladimir of the Rakshasa Nation from the Nuclear World.
Had turned Mount Amagi, where the Small Star Gate stood, into a temporary base.
Using a Starlink launch vehicle, they sent six satellites equipped for communications, weather monitoring, navigation, reconnaissance, and other functions into geosynchronous orbit.
The troops then split into six columns and rolled out in force.
One was tasked with occupying and garrisoning all of Izu Province.
One headed north, targeting Kai Province under Takeda Clan rule.
One advanced west, tasked with suppressing the Imagawa Clan, which ruled Suruga, Totomi, Mikawa, and other provinces.
One headed east, crossing the Tokyo Bay of the "future"—now Edo Bay.
Its mission was to occupy Musashi Province, the core territory of the Hojo Clan, along with the surrounding regions.
Finally, the naval fleet split into two.
Each group had a nuclear-powered aircraft carrier as its flagship.
Each aircraft carrier carried eighty carrier-based aircraft of various types.
Including fighters, early-warning aircraft, transports, helicopters, and more.
They were also accompanied by two missile frigates, three missile cruisers, three missile destroyers, two nuclear-powered attack submarines, and two supply ships.
Their mission was not Japan, but to investigate the state of the other nations in this world.
The remaining carrier fleet stayed in Izu to assist with the fighting there.
Before long.
The first gunshots naturally rang out within Izu Province.
Nirayama Castle, the provincial capital, was especially the first to bear the brunt.
The ashigaru under the Hojo Clan wore conical war hats and carried cross spears, charging under the leadership of Samurai wielding long swords.
Fearlessly, they launched an