The Koi to Senkyo to Chocolate ("Love, Election, and Chocolate") anime main cast has been revealed!

Yūki Ōjima: Yūichi Nakamura (Gray Fullbuster from Fairy Tail, Sōshi Miketsukami from Inu x Boku SS) *anime only
Chisato Sumiyoshi: Eriko Nakamura (Haruka Amami in The Idolm@ster, Belgium in Hetalia: Axis Powers)
Mifuyu Kiba: Kaori Mizuhashi (Miyako from Hidamari Sketch, Mami from Puella Magi Madoka Magica)
Michiru Morishita: Asami Imai (Chihaya in The Idolm@ster, Kurisu from Steins;Gate)
Isara Aomi: Mai Kadowaki (Illyasviel von Einzbern from Fate/Zero, Sanya V. Litvyak from Strike Witches)
Satsuki Shinonome: Yuu Asakawa (Anastasia from Brave 10, co-host of Otaku Verse Zero)
Oboro Yumeshima (not pictured above): Megumi Ogata (Yukito Tsukishiro in Cardcaptor Sakura, Shinji Ikari in Neon Genesis Evangelion)
If you missed the staff announcement, it's over here. Can Yūki win the student council president election and save his somewhat aimless Food Research Club from being demolished? Find out this July in KoiChoco! The PSP version of the original PC game is also out this summer [in Japan].
Koi to Senkyo to Chocolate Official Page
via Otakomu