My Wife is Wagatsuma-san
Manga
My Wife is Wagatsuma-san , is a Japanese manga series written by Yuu Kuraishi and illustrated by Keishi Nishikida. It was serialised in Kodansha's shōnen manga magazine Weekly Shōnen Magazine from September 2011 to September 2014, with its chapters collected in 13 tankōbon volumes. It was released weekly on Crunchyroll Manga in English, with digital releases in volumes on Amazon Kindle and ComiXology.
Description from Wikipedia, available under CC BY-SA 4.0. May be shortened.