The spin-off of “To All the Boys” called “XO Kitty” is currently streaming on Netflix with Hindi and English audio, along with subtitles. Before knowing the answer, let’s have a quick look at the story.
Kitty is the youngest Covey sister who went to the “Korean Independent School of Seoul” (K.I.S.S) to find secrets about her mom and met her boyfriend, Dae. However, she faces many secrets and incidents there.
In the series, Kitty goes to K.I.S.S to find her boyfriend, Dae. After reaching there, she discovers that Dae has a girlfriend named Yuri. Later, she realizes that their relationship is fake. Afterward, Kitty and Dae get into a relationship together. However, Kitty suddenly develops feelings for Yuri, so she breaks up with Dae. At the end of the series, she is unable to express her feelings to Yuri.
Kitty ends up without any relationship, although Min-Ho expresses his love for Kitty at the end of the series, before she can reply, the series ends.
I hope that clarifies your question. If you still have any doubts, please ask in the comment section.