Sora Kitano is a girl of around 11 years old. Sora makes doujin under the circle name North Sky and she seems to be better at drawing than both Najimi and Kaneru. She can often be seen cosplaying in outfits Justice creates for her. She is infatuated with Justice and even goes as far as stealing his first kiss, though any further advances on his part are usually broken up by Najimi. 

Doujin Work follows the life of a young girl named Najimi Osana and her exposure into the doujin world. She was first tempted into becoming a doujin artist after seeing how much one of her friends can make at a convention. Najimi loves to draw, though soon learns contrary to what she expected that this new world is anything but easy. As she attends more conventions and meets more people, Najimi eventually manages to find a group of very interesting friends. These friends already have some experience in the field and help her out along the way so that she can someday make a name for herself creating doujinshi.<br><br>
(Source: Anime News Network)

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A 4koma style strip that follows Najimi Osana and her friends adventures in doujin -- that is to say drawing (often perverted) fan comics. Najimi decides to join the 'circle' as a doujin artist herself once she realizes how profitable it can be, but soon realizes it's harder than it seems. 