Yeo Reum, noticing the tension, tries to lighten the mood by proposing multiple toasts.
Watch the full interaction between Ha Eun and Yeon Woo in this official episode clip: A Day Before Us Episode 2
When asked if they are close, Yeon Woo bluntly replies "not really," causing Ha Eun to blush from the awkwardness. Yeo Reum, noticing the tension, tries to lighten