So... is Okusama ga Seitokaichou! finished or not?
NO, it is not finished.
Why?
The anime finished before the manga:
Anime finished: December 18, 2016
Manga finished: August 27, 2018
MangaUpdates contains information about the anime adaptation and indicates that it is incomplete.
Watching Order (by release date)
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
The mangas and the non-core contents are excluded by default, but you can enable them by clicking the buttons below:
Okusama ga Seitokaichou!
My Wife is the Student Council President!
Anime - Base
Release date: July 02, 2015
Okusama ga Seitokaichou!+!
My Wife is the Student Council President!+
Anime - Sequel
Release date: October 02, 2016
Synopsis
Hayato, a bookish high schooler, loses the student council presidential election to Ui, a charismatic candidate with radical ideas about school improvement.
Despite his loss, Hayato becomes the vice president and soon learns a shocking secret: Ui is his arranged fiancée and will be living with him.
The anime follows Hayato and Ui as they navigate their unexpected marriage while attempting to conceal their relationship from their classmates and maintain a semblance of normalcy within the school environment. Comedy and awkward situations are sure to ensue!