Knowing One's Heart, Singing Words Of Love - S1.E6

After leaving Jin Woo's house, Ki Sub feels unwell and goes to the elementary school where his sister works. When Ki Sub finally realizes his feelings and goes to Jin Woo's house, Jin Woo isn't there. Balg Eum, upset that the second date didn't go as planned, became emotional, and the feelings he had kept hidden burst out...