Manga creator Norio Tsukudani announced on her official Twitter account on Monday that she will launch a new manga series titled Heroine Voice in the January issue of Ichijinsha's Comic Rex magazine, which Ichijinsha will publish on November 27. The manga's theme will be "idol voice actresses." The manga's first chapter will be 65 pages long, and will have a color opening page. The manga will also adorn the magazine's front cover.
http://www.animenewsnetwork.com/news/2015-10-27/himegoto-tsukudani-launches-heroine-voice-manga/.94674

Idol VA?

Will this be like Love Live, WUG or Idolmaster with Seiyu Idol Concerts?

Incidentally, Tokyo 7th Sisters -Sisters Diary- begins serialisation in Ichijinsha's Manga 4koma Palette this December issue.