I was going to say that it is criminalised in South Korean, but I see they struck down that law last year. http://www.latimes.com/world/asia/la-fg-south-korea-

I was going to say that it is criminalised in South Korean, but I see they struck down that law last year. http://www.latimes.com/world/asia/la-fg-south-korea-adultery-legal-court-20150226-story.html http://www.latimes.com/world/asia/la-fg-south-korea-adultery... "The law called for sentences of up to two years in prison. Adultery cases were only heard when a spouse filed a complaint, and could be withdrawn at any time by that spouse."