A few words at the beginning:
1 This is a short story. It is expected to be completed in 90,000 words.
2 The timeline of this article is when Zhenzhen is about 35 years old, and her status is married {when she reaches middle age, she is still a male idol}
3 The story is set in Osaka. The characters are original. There should be no other SD characters.
So let's start first
Purpose: Is it easier for people who speak a common language to fall in love?