In the Dance of the Fireflies (Love Anthology Pt.4)

This is the last part of Love Anthology. One night, a twenty two year old Tiffany sees a sixteen year old Taehyung going to jump off a bridge. She pulls him away from it and scolds him. After a series of ridiculous conversation, Tiffany and Taehyung look at the river bank below them where the wild grasses are growin...