The male version centers around the Tokyo idol unit Six Gravity (composed of characters representing December to May) and the sibling rival unit Procellarum (composed of idols born in Western Japan and representing June to November).
The six characters (representing December to May) are students at a school that gathers talented individuals striving to become goddesses.
In advance of this Funimation has now brought out their first trailer for it to get the promotion train underway.
Funimation has a subtitled-only release queued up for later this year with the September 5th, 2017 release of Tsukiuta.