Killer is Dead is getting a simple but elegant special edition which is heavy on digital extras.
It's not clear if the Premium Edition is releasing outside Japan; Siliconera reports it's actually the same price as the standard version.
The only physical difference between the two titles is a reversible jacket, but the fancier one comes with a number of digital extras. The most hefty of these is a download code for the Beauty & The Beast & The Lingerie mission pack.
There's also a gigolo mission called Temptation of Miss Vampire; an extra episode where Mondo is an executioner; and a peeping tool that helps during gigolo missions.
Killer is Dead is the latest game from Grasshopper Manufacture and nobody's quite sure if it's serious or not. It's due on PlayStation 3 and Xbox 360 at the end of August.