Monster Musume no iru Nichijou, which is also known by the following names: モンスター娘のいる日常,
魔物娘的(相伴)日常,
Daily Life with a Monster Girl, and
Everyday Monster Girls.
For those who did not realize it yet, this is a comedy-romance hybrid and a harem series. Yup, another romantic comedy harem manga. What an original concept that has in no way been overused in any definition of the word and in no way is seen in what feels like every manga and anime to some extent.
But that’s exactly what they were expecting you to think.
