The Suzume no Gakkou Trio (from left to right): Mieko Tsuchiya, Yumiko Kobayashi, Sara Sakurai.
What's Suzume no Gakkou you ask? Here a description borrowed from cdjapan:
"In this variety video on DVD, the 3 'idol' voice actresses do a hard-edged drama,
a comedy sketch(es), a talk show, and many more fun stuff!"