D3 has formally announced the Dream Club Zero release date that popped up in Dengeki earlier this week. As detailed in this week's Flying Get, the game is due for release on December 30, priced ¥7,140.
This is apparently what you're going to want to look for at your local Yodobashi:
The Dengeki article also had details on the game's hot springs bath sequence which has such charming dialogue as "Oh, you have alcohol? Well then, come on in."