She was Kira on PJ Girls and Wet & Puffy. Just today ALS Scan released a set of her under the name Kate Sin. I don't see her in the Index under either name. She is Czech and very cute.
PJ Girls has her stats as:
Age: 26
Height: 170 cm
Weight: 49 kg
Wet & Puffy has:
Age:25
Height: 178 cm
Weight: 52 kg
PJ Girls Kira Model Page
Wet and Puffy Kira Model Page
ALS Scan Kate Sin Model Page