Manga by author Ueda Rinko - Status completed

Sometimes it seems like Usagi is hopeless. Sure, she's good with healing herbs, but she's the granddaughter of the leader of a prestigious ninja village and she's such a klutz that she's never made it out of the kiddie class. Finally frustrated with Usagi's lack of progress, her grandfather sends her to marry a local lord and have lots of ninja babies. But the lord has no interest in her or her child bearing potential! After years of goofing around, Usagi is finally determined to reach her goals - she's going to become a ninja and capture her true love's heart! Sequel to "Tsuki no Toiki" http://beta.mangafox.com/manga/tsuki_no_toiki/

From Viz: Poor Sumi Kitamura Her irresponsible older brother Eisuke keeps bringing home orphans for her to take care of even though they can barely afford their own basic needs! Just when Sumi's financial problems become dire, wealthy Soichiro Ashida enters her life with a bizarre proposition: he'll provide her with the money she so desperately needs if she agrees to marry him. But can Sumi fool high society into thinking she's a proper lady? Moreover, is it worth giving up everything for this sham of a marriage?