Ga In ( Brown Eyed Girls) I Wish You Wouldnt Know (рус. саб)

My interpretation is that his wife in white (in Asian culture, white symbolizes death) and the lady in red (symbolizes seduction and romance) were friends at one point (hence the strange hugging scene), but the lady in white developed a disease that got worse over time (symbolism in the clock and broken mirror) so the best friend is the rebound. I also thought about it as where both the women are hugging because they re becoming part of his past