Starting from Noon Japan time, you will be able to find Gloria in the Japanese Playstation Store for 500 yen.

However even if you are not buying her, all clients which connect to the online servers after tomorrows maintenance period will be required to download the latest version of the game.

Update [08032701]:

• Gloria’s Character Added.*
  * To use her you will need to purchase her from the Playstation Store.
  Playstation Store: みんなのGOLF 5 追加キャラクター「グロリア」使用権：500円
• Soccer Ball in the Lobby.
• Memorial Photos for Grade Tournaments.
• Save Data Copy Protection Removed.
• Display of Participants Details during Real Tournaments.
• Personal Profile Course view to include new course best scores.

The Soccer Ball in the lobby is heaps fun haha… check out the kick into the drum bath goal I did. Probably the first person on the server to do it… also did it multiple times, it is actually quite hard. Review Gloria after I buy her from the store I guess.