Nippon Ichi started to sell again the Limited Edition version of the Criminal Girls 2 PS Vita game which released in 2015 November in Japan. The Limited Edition went out of stock in a couple of a weeks after the release so if you wanted one, now here is the chance to grab it.
You can buy it only from the Nippon1.jp and the price is 7980 Yen + tax. The package includes the game, real spanking “punishment” item, soundtrack CD, and more. You can order it from here: https://ssl.nippon1.co.jp/shop/products/detail.php?product_id=202