Betsushiki

The anachronistic girls' comedy manga is set in the Edo period, and centers on a betsushiki (a female weapon master who trains women in the feudal lord's harem) named Rui Sasaki, who is herself searching for a husband, ideally someone weaker than her, but still handsome. She meets other betsushiki with distinct personalities, listens to stories about married life, attends mixers, goes to Comiket, and experiences farewells.

(Source: Anime News Network)