Okay...

Theme: Historical Chinese/Korean/Taiwan/East Asian

FL is spoilt/comes from a rich family and then one day her parents send her to get trained by a 'master' 

Master can be the best in martial arts/kung fu/meditation/fighting et cetera wise 

She then has to overcome challenges, getting accepted by the master, giving up her belongings and life luxuries to take on being a discipline or student for the 'master'

There should be setbacks/progress/character improvement

BONUS: Romance elements

Have seen: One and Only (2021)

Thank you