The match
20th Century Girl
2022South Korea★ 8.2subtitled
In 1999, a teen girl keeps close tabs on a boy in school on behalf of her deeply smitten best friend – then she gets swept up in a love story of her own.
Close, not exact
When Harry Met Sally, but for the rewatchable layers
Nothing in the catalog nails this hook as hard as When Harry Met Sally does, but the films below come honestly close.
If you want a second one
Pride and Prejudice
2005UK★ 8.1subtitled
A story of love and life among the landed English gentry during the Georgian era. Mr. Bennet is a gentleman living in Hertfordshire with his overbearing wife and five daughters, but if he dies their house will be inherited by a distant cousin whom they have never met, so the family's future happiness and security is dependent on the daughters making good marriages.