It's been announced that AKB48's sub-unit, Watarirouka Hashiritai has added two new members. The new members are Komori Mika and Iwasa Misaki and with this change, the group has officially changed its name to Watarirouka Hashiritai 7 to reflect the size of the new line up.

Watarirouka Hashiritai 7 will be releasing a new single on February 2, 2011. The Title and track-list information for this single hasn't been released at this point. The new single of Watarirouka Hashiritai 7 will be a Valentine's song produced by Akimoto Yasushi. He's a famous Japanese lyricist, broadcaster, and producer for some of the most famous idol groups, including AKB48, Checkicco, and Onyanko Club. Akimoto's most popular valentine song he produced thus far was Kokusho Sayuri's "Valentine Kiss."

Source + Photo: natalie