The second in what is apparently a series of silhouette character teasers was uploaded to the Senran Kagura blog today. This one shows some of the other directions the game is taking with its use of 3D on the 3DS.

The character's name is Hikage, and her voice is Ryoko Shiraishi. She's a third year student at the same school as Yomi, the previous silhouette character (see here).

And that's all we know at the moment!

Oh... in case you're planning on adding details to the character, Holy Crap Those Breasts Are Huge Producer Kenichiro Takaki already got you started: