Dokgo Tak - Throw to the Sun (Golden Arm)

독고탁: 태양을 향해 던져라

Also known as 독고탁 태양을 향해 던져라, Dokgo Tak-Throw to the Sun, Dokgotak taeyangeul hyanghae deonjyeora, 독고탁 1, 태양을 향해 던져라

Hun-yi and Nan-yi are siblings who grow up as best friends. Hun-yi is a naturally talented pitcher and joins a baseball club. Under the guidance of a professional baseball player, the children learn to play baseball, but they don't want to do any of the hard training required. After a twist, Hun-yi's team makes the finals of the Little Baseball Championship.