Gate reboot with drastic changes:
>It plays out like it originally does but with one more catch: a second Gate was opened, worse of all in North Korea. Their retaliation was far worse and brutal, it lead to another nation which is a salutatory state to the empire which they glassed and killed even civilians, paraded corpses all Pyongyang, they become a rival to Japan in the new world as they occupy said nation and transform it into a socialist state which complicates problems with the JSDF and the empire, like an isekai Cold War, suprisingly they rescued all the hostages and transferred them to Alnus on a condition the Japanese and the empire stay out of their affairs, but they even captured Prince Zozal and his henchmen and they torture him, and tell the empire they are using him as an example.
>North Korea surprisingly keeps their Gate to themselves and kept Russia and China out, thinking it is their chance to make a name for themselves. Russia respects their decision and gives them support in resources, but China is angered. A similar thing happens like in the hotspring episode in North Korea, but they instead capture China's agents and threaten to launch nukes if they interfere again, putting greater risk to Earth as the Gates could serve a catalyst for WW3.
>Another party has an interest in the gates next to America, China and Russia: Islamic nations, they want both gates closed as they see it as blasphemous and an outrage against the Earth especially when they learn several of their folks were killed when they open, which some nations begin questioning why sone of them were in North Korea, Japn they get but NK opened a can of worms. Regardless various terrorist and 9/11 style attacks begin happening around Japan aand North Korea, even hostage taking has been occurring, they even behead a soldier and goblin from the gates to bring the point home.