On other servers, this set is the 2nd Monthly Sign-In Suit. It was replaced by Cutie on the English server.
According to the official Facebook account, Sour Lemon and Beach Wristband are delivered along with Little Plate in the mailbox in a welcome package at the beginning of the game.[2] However, many players did not receive those items. Sour Lemon and Beach Wristband are still available through the Mystery House.
