The two dancers are:
足太ぺんた Asibuto Penta with the Pony Tail on her right side
わた Wata (literally Miss Cotton) with Pony Tail on her left side
both are long time youtube dance celebrities.
Music: Newly Edgy Idols by Mitchie M
Choreography: 足太ぺんた Asibuto Penta
For samples of both dancers work on youtube, please click on the youtube buttons below