Japanese Koreaball was an annexed state of Japanese Empireball during the colonial period of the Korean peninsula.
Back then, he was the largest overseas community of Empire of Japanball. The citizens of Korean Empireball were Japanese citizens with Japanese nationality. The official language was Japanese.
While Empire of Japanball oppressed those who resisted, he also supported the economic development of Japanese Koreaball. He built modern cities, infrastructure, education, etc that was lacking.
If he was still here to this point he will embrace Anime, Manga, J-pop and there will be many Anime and Manga stores there.
Force labor times
Independence and Division
Japanese Koreaball became independent in 1945. Then from 1950 till 1953 was the Korean War which divided the country. Primarily the military forces of Chinaball with a bit of help from Sovietball invaded Koreaball and created the communist puppet state of North Koreaball. USAball and UNball supported South Koreaball. This war ended in a stalemate.
Sometimes South Koreaball has suffered by remnants of Japanse Empire(일제의 잔재) in colonial era just like abnormal politics, Authoritarianism and totalism in society and former school,discrimination,japanese language and name, Illogical hierarchy, severe corporal punishment in former military duty and former school and military dictatorship.