This is an alternate history scenario for both real life and an anine franchise so don't judge: What effect would Japan getting back Taiwan and the Pengu Islands from both the USA and USSR after the death of Chiang Kai-shek, second dictator of the Kuomingtang-ruled Nationalist China since Dr. Yat-sen who died in 1925, ruling Nationalist China since 1927 and staying in power even after Nationalist China was forced to leave its stronghold and powerbase of Guangdong and Guangxi to Taiwan and the Pengu Islands from 1947-1949 after losing the Chinese Civil War of 1945-1947 to the CCP-ruled Chinese Soviet Republic lead by Mao Zedong in Shaanxi, with the Chinese Soviet Republic becoming the People's Republic of China after conquering Manchuria, East Turkestan, the fifteen provinces of Han excluding Yunnan, Guangdong and Guangxi and the rest of Shaanxi in addition to both Guangdong and Guangxi in 1949, with Kai-shek's term in office as Nationalist Chinese dictator only ending in his death in 1975, [Taiwan and the Pengu Islands being returned to Japan after the death of Kai-shek in 1975] in a repeat of the return of Okinawa to Japan in 1972, with the US and USSR both forcing Nationalist China and the PRC to merge in a Chinese unification government after the return of both Taiwan and the Pengu Islands to Japan, Ming restorationist romanticist monarchism growing in mainland China after Mao's death in 1976, the USSR and USA both returning the entire Korean peninsula to Japan after the 1980 pro-democracy Gwangju Uprising in the Fourth Republic of Korea in South Korea spreads to the Soviet satellite dictatorship of the Democratic People's Republic of Korea in North Korea, toppling both Korean Republics and leading to a minor warlord era in Korea, with the Soviets also returning Sakhalin and the Kurils to the Japanese as well, Pakistan becoming a restored Uzbek-Mongolian Indicized side-branch of the Genghis Khan-descended Mongolian Imperial House of Borjigin-ruled centralised autocratic royal imperial dynastic Islamic monarchy of the Mughal Empire and taking Jannu and Kashmir from India, which subsequently transitions into a a federation of restored Muslim princely states, Muslim tribal duties and Muslim Kingdoms under the rule of the Sunni Muslim Uzbek-origin Indian Asaf Jahi dynasty ruling over Hyberdad, which essentially becomes the Federal parliamentary constitutional royal imperial monarchy of the Indian Empire with the Asaf Jahi dynasty as its reigning imperial family, the 1989 Tianamen Square anti-government, pro-democracy protests in Beijing, China still happening despite the unification of the PRC with Nationalist China after the death of Kai-shek in 1975 and leading to the permanent balkanization of the China region, with the Qing Imperial family, the Manchu/Manchurian Imperial House of Aisin-Gioro-ruled, Manchu monarchist, Manchu independence, Personalist, Pan-Asianist, anti-communist political organization of the Concordia Association-ruled unitary parliamentary constitutional Imperial Royal monarchy of the Empire of Manchukuo being restored in Manchuria,  the main branch of the Genghis Khan-descended Mongolian Imperial House of Borjigin-ruled Federal absolute royal khanate of the Mongolian Autonomous Federation/Mengjiang being restored in Inner Mongolia's Chahar and Suiyan provinces, the Kumul Khanate ruled by the side branch of the Imperial House of Borjigin, the Imperial House of Chagatai as its reigning Imperial family is restored as the government of all of East Turkestan, the Kingdom of Tibet is restored in Tibet, Guangxi and Guangdong unite into an independent Cantonese Republic, Yunnan becomes independent and the fifteen provinces of Han in the China region excluding Yunnan, Guangdong and Guangxi return to the rule of the pre-Nationalist Chinese, pre-Chinese Soviet Republic, post-1912, pre-1928 Beiyang Government of the first Republic of China as the Beiyang Government's short-lived form as the Empire of China founded and lead by Yuan Shikai from 1915-1916, but with the descendants of the pre-Qing Ming dynasty's reigning Imperial family, the Imperial House of Zhu acting as its reigning Imperial family instead of Yuan Shikai's descendants as per the Xinhai Revolution's initial Ming restorationist goals, with the Beiyang Government, Nationalist China and even the PRC all being seen as regencies for a Ming restoration in a post-Qing Han China, with Japan making Manchukuo in Manchuria and Mengjiang in Chahar and Suiyan protectorates once more and also providing diplomatic representation to the Cantonese Republic in Guangdong and Guangxi, independent Yunnan, the restored Kumul Khanate in East Turkestan, the liberated Kingdom of Tibet in Tibet and the restored Ming dynasty in Han China, allowing these nations to stand on the international stage, the post 1871, pre 1919 German Royal House of Hohenzollern-ruled federal parliamentary semi-constitutional royal monarchy of the Kingdom of Prussia ruling over much of modern-day eastern Germany and Western Poland along with Russian Kalingard-dominated Federal parliamentary semi-constitutional monarchy of the German Empire being restored to its pre-1919 territorial borders after the unification of East and West Germany in 1989 and the subsequent resigning of the Treaty of Brest-Litovsk between the Soviet Union and the restored German Empire, which sees the restoration of the late WW1 era German protectorate of  the North German-Slavic House of Mecklenburg-ruled absolute feudal royal monarchy of the United Baltic Dutchy in Estonia and Latvia, the restoration of the WW1 era German protectorate of the House of Mecklenburg's cadet branch of the House of Urach-ruled constitutional parliamentary royal monarchy of the Kingdom of Lithuania in Lithuania, the restoration of the late WW1-era German House of Hohenzollern-ruled constitutional parliamentary royal monarchy of Kingdom of White Ruthenia in Belarus, the restoration of the late WW1-era German protectorate of the constitutional parliamentary royal imperial absolute monarchy of the Ukrainian State/Second Ukrainian Hetmanate in Ukraine minus Donbass, the implementation of the late WW1 era plan for the formation of the German protectorate of the Swedish-Russian House of Rurikid-ruled Don Kuban Union in Russia's Don and [Russia's] Kuban regions along with the Ukrainian Donbass region, the restoration of the late WW1 era German protectorate of the constitional parliamentary royal monarchy of the German House of Hesse-ruled Kingdom of Finland in Finland, Russian Karliea and the Russian Kola peninsula and the restoration of the Ottoman protectorate of the  mainly Avar and Chechen Islamic emirate in the territory of Chechnya and western Dagestan known as the North Caucasian Emirate as a German protectorate, the implementation of the German late WW1 era plan for the restoration of the hereditary royal absolute tribal Buddhist monarchy of the Kalmyk Khanate in Kalmykia, the restoration of the Kingdom of Georgia in Georgia under a side branch of the former Italian royal family, the German-Italian House of Savoy, the restoration of the  Swiss-German Imperial House of Hapsburg-Lorraine ruled Federal parliamentary constitutional imperial royal monarchy of the Austria-Hungarian Monarchy/Austria-Hungarian Empire ruling [the Austria-Hungarian Monarchy/Austria-Hungarian Empire] over Illryia [Croatia and Bosnia and Herzegovina], Greater Hungary [Hungary, Bačka, Baranja, Međimurje, Vojvodina and Prekmurje in Serbia, Transylvania and most of the Banat in Romania, Carpathian Ruthenia in Ukraine, Slovakia and Poland], Bohemia and Moravia [Czechia and Slovakia] and Galicia-Lodomeria in Ukraine from [the Austria-Hungarian Monarchy's/Austria-Hungarian Empire's stronghold and homebase] Greater Austria [Austria, Slovenia, South Tyrol]  to its pre-1919 territorial boundaries after both Poland and the Soviets join Yugoslavia against the West in the Yugoslavian Wars, with Serbia proper becoming the Austrian-Hungarian protectorate of the Kingdom of Serbia ruled by the Serbian House of Obrenović
 once more, Montenegro becoming the the Serbian House of Petrović-Njegoš-ruled Unitary parliamentary constitutional royal monarchy of the Kingdom of Montenegro once more with Macedonia going to Bulgaria, which overthrew the Soviet puppet regime and subsequently became the Catholic side-branch of the original German parent house of the current reigning British royal family, the German House of Saxe-Coburg and Gotha, the Hungarian-German House of Saxe-Coburg and Gotha-Koháry-ruled parliamentary imperial royal monarchy of the Kingdom of Bulgaria/Tsardom of Bulgaria/Third Bulgarian Tsardom once more along with taking Thrace from Greece, Poland proper being stripped of the Austria-Hungarian territories it occupies and becoming the Kingdom of Poland under the rule of a Hapsburg-Lorraine side branch, the German House of Wied-Neuwied-ruled Constitutional royal monarchy of the Principality of Albania once more and getting Kosovo, and the restored Austria-Hungary taking Slovenia, Croatia,  Bačka, Baranja, Međimurje, and Prekmurjealong with Bosnia and Herzegovina from Yugoslavia, Romania after losing Transylvania and Banat to the restored Austria-Hungary overthrowing the Communist regime and becoming the Kingdom of Romania ruled by a side-branch of the House of Hohenzollern once more, Italy overthrowing the post-WW2 republican regime and becoming the post-1861, pre-1947 French-Spanish-Italian side branch of the German-Italian House of Savoy, the House of Savoy-Carignano-ruled Unitary Constitutional monarchy of the Kingdom of Italy once more, taking Libya, Somalia, Ethiopia, Eritrea and Somalialand as provinces once more, Greece becoming the -1823, pre-1973 German House of Wittelsbach-ruled Unitary parliamentary constitutional monarchy of the Kingdom of Greece once more, with both the Soviet Union and Poland collapsing from this and a restored Russian-Danish Imperial House of Schleswig-Holstein-Gottorp-Romanov-ruled unitary absolute imperial parliamentary royal monarchy of the Russian Empire takes over European Russia as a joint German-Austrian protectorate, with the Soviet government itself fleeing to Siberia as the Soviet protectorate of the Mongolian People's Republic in Outer Mongolia collapses only to be replaced with a restored post-1912, pre-1924, spiritual head of the Gelug lineage of Tibetan Buddhism in Mongolia also holding the title of Bogd Gegeen, making them the top-ranked lama in Mongolia known as the Jebtsundamba Khutuktu as the Bogd Khan [Holy Emperor]-ruled post-Xinhai, Unitary Buddhist absolute monarchy of the feudal Khanate of the Bogd Khanate of Mongolia/Great Mongolian State, which also takes Inner Mongolia minus Chahar and Suiyan, the Russian region of Buryatia, the autonomous republic Tuva, the Russian region of Altai, and parts of Xinjiang, and Russia's Zabaykalsky Krai, and Irkutsk Oblast regions to form a Greater Mongolia and Japan restores the Far Eastern Republic on the Russian East Coast, hemming in the USSR in Siberia, Isreal collapsing and being replaced by a Greater Jordan which includes both the former Isreali territories and Palestine, which merges with a restored Arab House of Hashemite-ruled Kingdom of Syria in Syria to form a Levantine Federation, the Iranian Imperial House of Pahlavi-ruled Imperial State of Iran in Iran, which never had the 1979 Iranian Revolution due to the UK being too busy propping up the PRC to manipulate its useful idiots in the KGB and American Liberal establishment into overthrowing Iranian Shah Reza Pahlavi, grabbing up Azerbaijan, Armenia and parts of Central Asia and Turkey to form Greater Iran, with the Iranians restoring the Sunni Muslim Mongolian consort clan of the main branch of the Imperial House of Borjigin, the Imperial House of Khongirad-ruled absolute hereditary Islamic royal imperial monarchy of the Khanate of Khiva in western Uzbekistan, southwestern Kazakhstan and much of Turkmenistan and the Sunni Muslim Turkified Mongolian Imperial House of Manghud-ruled absolute imperial royal Islamic monarchy of the Emirate of Bukhara in eastern Uzbekistan, western Tajikistan, parts of southern Kazakhstan, parts of Turkmenistan and southern Kyrgyzstan as protectorates, with the Cold War shifting from a US-USSR rivalry to a joint Germanic-Japanese rivalry with both the USA and the British Commonwealth, with the rump Soviet Republic in Siberia essentially being a joint Germanic-Japanese protectorate and buffer state, which angers some Soviet revivalist and Russian nationalists in Soviet Siberia, triggering the Third World War of 2045 to 2064 in the Irregular at Magic High School franchise, which ended with a Germanic Japanese victory over  the USA, the British Commonwealth and the Soviet rump Republic, and the resurrection of magic, albiet in a form heavily polished and enhanced through modern technology and also heavily determined by genetics, limiting the number of magicians in existence as seen in the Irregular at Magic High School after WW3, with the world powers being an Iranian-Indian alliance, a monarchist European Union from the Atlantic to the Urals dominated by the Germanic peoples, the Japanese lead Asian bloc and the Organisation of American States, which consists of a Greater USA that lost the former Southern Confederate States to England and the West Coast to sesscionism but gained Canada excluding the Canadian West Coast, with Quebec being a French satelite Kingdom, a restored side branch of the House of Hapsburg-Lorraine ruled Second Mexican Empire ruling over Mexico and the rest of Central America up to Panama, Haiti which is under the control of the restored Kingdom of Poland, Cuba which had the Communist regime toppled, the Caribbean and South America, and a Japanese dominated ASEAN which is a restored Greater East Asian Co-Prosperity Sphere in all but name being the dominant power blocs by the time the events of the Irregular at Magic High School start, affect the events of the Irregular at Magic High School?