Wonder when they get marry, how she gets along with her sister-in-law. Imagine she became a neet too would be hilarious - his mother would commit suicide.
A week before their wedding day, she travels to America on business, accidentally involves herself in corporate intrigue, gets placed in witness protection, and contracts amnesia. Given the circumstances, she only knows about her false identity and believes it is real.
Also, the evil American CEO, having been acquitted without this key witness, becomes a recurring character.
Code:
EDIT: In response to complaints, I have added this disclaimer that this is not a real spoiler.