In Another World where Baseball is War, a High School Ace Player will Save a Weak Nation

Story:

Tokonatsu Taichi won the summer Koshien and became famous as a real winning pitcher with an arsenal of innings, including fastball at 158 km / h. But after the game, the team's bus had an accident and Tokonatsu Taichi died … True, after his death, he found himself in another world, where all international conflicts are resolved by playing baseball. Unfortunately, the country in which he found himself was the weakest, they could not win against anyone, and they were constantly robbed by neighboring countries. Can Taichi change the fate of an entire nation?