I have this vision where after the movie, Rumi and Celine are at Miyeong's grave lighting incense and putting out offerings.

Celine (not looking at Rumi): your mother would be proud of you
Rumi (side-eyeing her): really. My mother would be proud that the honmoon was destroyed.
Celine (sudden cough): you made a new one. You and Mira and Zoey. You trusted each other and didn't let things get between you three. She'd...she would be proud.