TsumaShoTsumaSho.

TsumaSho (Japanese: 妻、小学生になる。, Hepburn: Tsuma, Shōgakusei ni Naru; lit. 'My Wife Will Become an Elementary School Student') is a Japanese manga series written and illustrated by Yayū Murata. It was originally a one-shot published in Houbunsha's seinen manga magazine Weekly Manga Times in April 2018, before being serialized in the same magazine from July 2018 to December 2022.