100th Japanese National High School Baseball Championship started from August 5th. This is called as "Summer Koshien" and most of Japanese love it. 2018 is 100th Memorial tournament by 56 teams over 16days.
Economic effect is 43.3 billion yen (USD 391million).
Stadium entrance fee, players hotels stays and meals, transportation fee of players families and friends come to Osaka from all over the Japan.