Kyou mo Ouji ga Toutoidesu.

Umi moved to the city by herself from the countryside. She ended up living in the same house working as a housekeeper for her favorite idols! Surrounded by these idols with their larger-than-life personalities: the cold misanthrope, the sexy devil, and the kind gentleman... Umi's sparkling life in the city begins! (Source: Betsucomi, translated)