You’re all beautiful! There, I hope you feel beautiful now (o￣ω￣ o・)
If I remember correctly it’s from the little horror drama they did, but you may not want to take my word on it! ;u;
Oh goodness, I apologize for taking so long to respond! I went out of town.
The song is Sad Romance by Thao Nguyen Xanh. It seems to be just that!
Trivia: I originally found the song by typing in “Sad piano music” into the Youtube search bar and this was the first song that came up. It’s perfect.