Kenritsu Umisora Koukou Yakyuubu-in Yamashita Tarou-kun(県立海空高校野球部員山下たろーくん)

Based on the popular 80's baseball manga by Koseki Kouji. Tarou Yamashita loves baseball, but he was always the worst player. However, through effort and dedication he begins to shine in the Umisora High team.