Ultimately, the "better" version depends on your goal: for immediate plot progression and cultural nuance, the raws are unbeatable; for a cohesive narrative without a dictionary, the dedicated work of scanlators is the gold standard. summary or a place to read the latest updates
It sounds like you're looking for the version of the manhwa "Fuufu Koukan" — which is the Japanese title. The Korean title is likely "부부 교환" (Bu-bu Gyo-hwan) or a similar variation. fuufu koukan manhwa raw better
However, a few important points to help you get useful text/results: Ultimately, the "better" version depends on your goal: