From Japanese Anime to Korean Dramas

What would happen if characters from various Japanese anime transmigrated into Korean dramas?

World One: Hotel Del Luna, Uchiha Obito x Jang Man Wol

World Two: Autumn in My Heart, Uchiha Itachi x Choi Shin Ae

World Three: Spring Turns to Spring, Uchiha Fugaku x Lee Bom

World Four: The K2, Kizaru x Choi Yoo Jin

World Five: Itaewon Class, gender-swapped Liu Mao Xing (Cooking Master Boy) x Park Sae Ro Yi

World Six: Goblin, Onime no Kyo x Kim Sun

World Seven: Iljimae, Himura Kenshin x Bong Soon

Theme: A sudden whim. I want to write it, so I will.