Base on what you've said so far, I think it should be one of those (ordered from what is most suspect to be your answer):
Saber Marionette J
In a world of only males, they have created female looking marionettes
(androids). A handful of them have been given special 'hearts' called
maiden circuits that give them emotion and human personality. Three of
these are found by Otaru, and they soon are caught up in a war against
Lord Faust and his 3 'human' marionettes.
Maji de Watashi ni Koi Shinasai!
It's one thing to honor your ancestors and keep old traditions alive, but there IS such a thing as taking it to a ridiculous extreme. In Kawakami City, having a samurai ancestor and enormous 'fighting spirit' isn't just an interesting fact, it's a huge part of how you end up being ranked on the social totem pole. That, in turn, rolls over into the school curriculum. Fortunately, that's something the local kids like Yamato Naoe have learned to deal with by forming into small 'bands,' (that's the samurai type, NOT music). However, while the delicate sexual balance of Yamato's group seemed fine when there were three girls and four boys, the sudden addition of two MORE girls starts to send everything spinning out of control!
Kakutou Bijin Wulong: Rebirth
Mao Lan continues growing into her path in life through what she learns while fighting. Her grandfather thinks that she has grown complacent and decides to train an adversary for her next Prime Mat appearance. Training with her friends and companions Mao Lan slowly advances through life.
Karakuri no Kimi
Princess Rangiku lost her entire family to Lord Karimata, who invaded her home seeking her father's life work, puppets with unique capabilities. As her duty, Rangiku sets out with three of her father's greatest puppet warriors to seek revenge. She can manipulate these to battle the strongest of warriors, however manipulating the puppets leaves her own self vulnerable to direct attacks, so she seeks a ninja warrior named Manajiri to aid and protect her in her quest.
Kenyuu Densetsu Yaiba
Kurogane Yaiba is a boy who doesn't want to become what any regular kid would: He wants to be a samurai. That's why he undergoes a hard training with his father, knowing only the forest as his world. Then, one day, he is sent to Japan, where he has to deal with a whole new civilized reality, meeting the Mine family, the evil Onimaru and even the legendary Musashi, having lots of dangerous adventures, becoming stronger everyday.
That's pretty much sums up my guess