Trying to buy tickets

Trying to buy a ticket for Osaka The beginning on 11th Feb from tickets.co.jp but I think I need a Japanese address.

Any idea on how I go about buying them?

Going by the description on the advert after I order I believe I can collect them at a 7-11, I presume I use a code of some sort after the order is confirmed?

Thanks in advance.

by Both-Description-770