
(SPOILER)
Im not sure about the whole north korea thing, i think its just a facade ╮( ̄▽ ̄)╭. Crazy dad brainwashes daughter to only having good memories -> mom doesnt want FL to meet dad and gain back her bad memories -> FL's mother (also an agent who works with ML) blinds FL and tells ML to marry her

If youre interested in more spoilers, heres the link ╮( ̄▽ ̄)╭ https://www.novelupdatesforum.com/threads/merry-psycho-%EB%A9%94%EB%A6%AC-%EC%82%AC%EC%9D%B4%EC%BD%94-marrying-the-psycho.185825/page-2
Read this on a forum. Apparently he roleplayed as her husband because he wanted to "protect" her from her dad which was a crazy scientist??? Like what ? And everyone in their past is connected yada yada yada