Pinkmares has lots going on, they have an MM board that forces when locked. They have a few items in their they rotate, this outfit was one of todays items. Although you can try your luck at the lucky board and get this items as well.
Skin: Megan (Group Gift) @ YS & YS http://slurl.com/secondlife/Feel%20Beautiful/98/64/25
Hair: Alice (Group Gift) @ Tameless http://slurl.com/secondlife/Dreyfus/180/197/1504
Outfit: Almost Naughty (100 Slaps, Also in Luckyboard) @ Pinkmares http://slurl.com/secondlife/Gold%20Nook/202/48/1004