Crunchyroll has confirmed that they’ll be handling the simulcast for the series and Funimation has confirmed that they’ll be providing a simuldub for it.
The series will be directed by Keitaro Motonaga based on the series composition by Yuuko Kakihara.
Immediately afterward, Itsuki and Mahiru are taken to a magical world called Granvania, which is currently being invaded by monsters.
In order to defeat the monsters and return to his own world, Itsuki must father the star children with the maidens.