 If you liked
Danna ga Nani wo Itteiru ka Wakaranai Ken
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 ...then you might like
Ojisan to Marshmallow
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Both series are shorts, both are depicting unlikely relationships and are centered around everyday lifes of main protagonists. In both series women are "normal" ones.
In Danna ga Nani husband is otaku and computer geek and in Ojisan to Marshmallow Hige-san is marshmallow fan. Danna ga Nani depicts life of unlikely maried couple, where Ojisan to Marshmallow depicts forming of relationship. Both series are quite hillarious, with similar type of humor.