Kunoichi Tsubaki No Mune No Uchi

Chapter 23: First-Rate And Spoiling
Chapter 22: A Friendly Brawl
Vol.4 Chapter 24: Kagetsu's Song
Chapter 22: A Friendly Brawl
Vol.4 Chapter 24: Kagetsu's Song
The plot centers on the titular Tsubaki Kunoichi, the best student in her school, and a curiosity that she cannot reveal.