Melody has 1200L$ store credit free for their group members (99L$ joining fee). Wear their group tag, touch the board to get the menu > Get reward, and enjoy those 1200L$ store credit until June 30th. Don’t forget to go upstairs to the gift room to get the rest of the gifts, there are many, and there are also 6 Lucky Boards. They also have some gifts for free groups. 

Taxi to the store!