Marimo no Hana: Saikyou Butouha Shougakusei Densetsu

Japanese Title: まりもの花 ～最強武闘派小学生伝説～

English Title: Marimo's Blossom: The Legend of the Strongest Elementary School Fighter Student

Airdate: March 18, 2012

Plot
The story centers around Marimo Nogami, a usually quiet fourth-grade girl in elementary school. However, a certain incident leads to Marimo's personal strength blossoming.