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The story is set in a parallel Taihei Edo period and follows Chifusa, an amply porportioned sword fighter in the Manyuu clan.
Both series prominently feature large chested women in a world based on historic Japan with a lot of creative freedom. Manyuu is the more perversion orietated whole koihime doesn't always try to grab your attention with the assets of the characters, or at least not in the same way.
Half a year has passed since Muneakira and his busty, battle-savvy friends fought valiantly in a fierce battle, and now, Muneakira is returning to Yagyuu Dojo after embarking on a journey to train his skills. But little did the man expect that Yukimura, Jubei and the rest of the gang would have turned the dojo into a maid café! What's more, past foes have been resurrected, and they have their sights set on Jubei. With new girls – and animals – to make contracts with and action at every turn, life at Yagyuu Dojo is more exciting than ever.