Every Day from June 16th to June 18th you'll be given up to 3 cash shop coins each day just for logging in. The number of coins you'll get is equal to the number of days you've logged in during the event leading to a maximum of 6 coins if you log in all 3 days. Also, for anyone who logs in during any of these days, on June 19th you'll receive a special gift.
The coins you receive can then be used in the "Waguwagu" machines which have a chance, albeit small, to reward users with a valuable Dogi. To access the machines, click on the highlighted icon:
There will then be two different Wagu Machines, each showing a different Dogi that you can try to win. Machine #1 shows a Trunks Dogi while #2 shows a Yardrat Dogi. To spend your coins, click "Draw" under whichever machine you want to take a chance on and hope for the best.
Unlike previous rewards, these aren't simply sent to you in-game. To recieve them you must go to
this page, check the box next to which items you want to redeem, and then click send. If you played in certain closed betas you should also have other redeemable items waiting for you.
Source:
http://dbo.wasabii.com.tw/DB_Notice/...t.aspx?K=13722
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