Previously, we had confirmed a display issue with the Special One-Time Bargain Set. This issue has been resolved as of 12/13 (Thu), 6:02 PM (PST).
10,000 Monster Points will be given as compensation to all players that purchased the Special One-Time Bargain Set after the Version 16.0 maintenance that ended on 12/11 (Tue) until 12/13 (Thu), 6:02 PM (PST).
This compensation will be delivered via in-game mail and will be available from 12/17 (Mon), 6:40 PM (PST).
For more details on the original issue, see here.
We sincerely apologize for any confusion this may have caused and thank you for enjoying Puzzle & Dragons.