Rena and Jurina of Japanese idol group SKE48 in December 2010 issue of Friday Magazine. The two are poster girls of the female pop group.
Fans often refer to the duo as WMatsui because both of them share the same surname (Matsui), and the W probably means double in some sense.
Formed in 2008, SKE48 is a sister group of the popular AKB48. The main group performs regularly in Tokyo while SKE48 are based in Nagoya.
