Gu-byeong is unexpectedly treated to a meal by Jo-song on his unplanned journey. After meal, Jo-song starts to call him ´son´ and Gu-beoung doesn´t understand why he keeps doing that.
Overview：Gu-byeong is unexpectedly treated to a meal by Jo-song on his unplanned journey. After meal, Jo-song starts to call him ´son´ and Gu-beoung doesn´t understand why he keeps doing that.
