You can choose free ticket at website. If you completed the application from the website, following events will be free.
https://helloworld.international/events_/basketball-90/
https://helloworld.international/events_/volleyball-122/
https://helloworld.international/events_/ping-pong-74-and-badminton-285/
Facebookいいね2000突破記念！ウェブサイトからの申し込み限定で上記イベントの参加費が無料になります！