Kim Yeo-ju, Kim Tae-hyung's younger sister with aphasia
Kim Yeo-ju, Tae-hyung's younger sister, suffers from aphasia.
Tae-hyung treats Yeo-ju as if she were his own girlfriend.
Unlike Tae-hyung, Yeo-ju is embarrassed by her brother's muteness and avoids him.
But what happens in the end?
Are you ready to hear it?