Just got this email from PIA:
"Thank you for purchasing tickets for U2 show at Saitama Super Arena.
We would like to notify you that there is an error on Delivery method displayed on purchase confirmation e-mail.
We are deeply sorry for any trouble caused by the error.
pick up at Seven-Eleven stores in Japan
You can pick up ticket(s) at Seven-Eleven stores after 24hours you bougnt.
-Details of backstage lottery will be announced later date on below link https://www.u2japan2019.com/
[STANDING FRONT/REAR, S