Nitroplus just posted this on their blog and site, they are going to sell their Comiket 84 exclusive pack C84：Nitroplus Kiraru Set on their webshop for 5,250 yen. (about USD$53). They do this when they have leftovers or when they think there is a market.
・Nitro+CHiRAL Official Works「DRAMAtical Murder re:connect ＋ Summer Side Stories」 <—an artbook?
・『DRAMAtical Murder』Rubber key holder Virus Dot version.
・『DRAMAtical Murder』Rubber key holder torippu dot version.
・『DRAMAtical Murder』Smart phone case
Size：about 100mm×160mm (external dimensions)
・『DRAMAtical Murder re:connect』A4Size Clear Case
Size：about 320mm×240mm×35mm (external dimensions)
http://nitroplus.ecq.sc/np01004.html <— simply email this link to yokattaweb.jp asking for a quote.
Preorders don’t start until 20th of August but you have to be fast because they run out. Deliveries start on 23rd. Again this is a comiket84 exclusive item now being sold online for a limited time.