魔法少女リリカルなのはViVid [Mahō Shōjo Ririkaru Nanoha Vivid] [Magical Girl Lyrical Nanoha ViVid] #6

This is the sixth volume of the Magical Girl Lyrical Nanoha ViVid manga series, published by Kadokawa under their Comics Ace A imprint in 2012. The story continues the adventures of Vivio, the adopted daughter of Nanoha Takamachi, as she trains in martial arts and participates in the Inter-Middle tournament. This Japanese import collects the chapters from the ongoing serialization, advancing the plot with new battles and character developments.