VOTE!! WACK SELECT 7 is a digital photobook released on December 2nd. The book features all present WACK idols (excluding WAgg) at the time of its publication, and promotes the VOTE! WACK SELECT 7 election. The book was published by Young Jump magazine, and was released at the same time as the latest issue of the magazine which included a gravure photoshoot with Kashiwagi Yuki and articles about the election.
The photobook includes election campaign posters for all 34 participants of the VOTE! WACK SELECT 7 election, as well as photos from Kashiwagi's gravure shoot that didn't make it into the magazine.