" Mikadono Sanshimai wa Angai Choroi" translates to "The Three Sisters of the Mikadono Family Are Surprisingly Cute" or something similar, depending on the context. This seems to refer to a possibly fictional work, perhaps a manga, anime, or light novel.
Based on public search results and available data up to my knowledge cutoff (May 2025), does not appear to be: mikadono sanshimai wa angai choroi rawmikaela baldos