What is the relationship between Songyang and Xu in Silver Soul?

In fact, Songyang is empty To be exact, Songyang is another virtual personality.

At the end of Edo, aliens called "Heaven and Man" attacked. The war between heaven and earth broke out instantly, and a large number of samurai and anti-foreigners took part in the battle with heaven and man.

After seeing the great strength of heaven and man, the shogunate signed an unequal treaty with heaven and man without authorization, allowing heaven and man to enter the country. Later, a "Knife Scrapping Order" was issued, and all the samurai's knives were taken away. Since then, heaven and man have been rampant, and the shogunate has become a "puppet regime." In this era, a samurai and his companions lived a whimsical life happily.

In Edo, because of the sudden emergence of alien "heaven and man" forces from the universe and the promulgation of the order to abolish swords, samurai embarked on the road of decline. But one man still insists on the samurai's soul. His name is Sakata Gintoki. This guy who likes sweets and is unreasonable may be able to split the corrupt Edo in two.

New partners and huge biological spring add a pleasant atmosphere to all rooms. The room full of joy was entrusted to look for bad spice girls. A Yin and his party acted quickly, but they were involved in the drug smuggling incident committed by the cruel cosmic pirates, and included the legendary masterpiece Black and White.