Senran Kagura: Spark! by Takaki Kenichirou and Tanabe Kyou — Completed
"The Hanzo Academy is not just a regular school. It holds a top secret class for ninja training reserved just for the elite. Only two girls made the cut this year, Ikaruga, a quiet but gifted brunette, and Katsuragi, a passionate and skilled blonde. Their personalities could not be more polar opposite and sparks fly even on the first day of class. Ikaruga, being a little bit ahead of the curve, outscores Katsuragi on every assignment. With tensions running high, how will these two ninja students work together when the time comes?" -Manga Updates
The sequel has been licensed by Seven Seas as "Senran Kagura: Skirting Shadows", and thus will not be uploaded.