User blog comment:B214/Volume 22 spoilers/@comment-90.219.230.72-20161127161312/@comment-10330822-20161129195906

Yeah, as his first and main wife, chances are its going to be like Venelana and Rias is going to manage his harem. After all, Veneland manages her husband's harem as well.

Ravel is more than likely going to be managing his day-to-day life. Like public appearances and his normal duties.