Goodbye and Hello (2015)

Do Wan is happy when he is in the water. He doesn't speak much and has no friends and no mom. But when he is swimming, he feels peaceful. As far as he is in the water, he feels so comfortable as if he were in mom's arms. Because Do Wan likes water and is talented with swimming, he keeps working hard to become a swimming athlete. His father, who hates water deadly, objects to his son's dream to become a swimming athlete. Due to the repeated conflict with his father, Do Wan drifts apart from his father gradually.