Ro-Kyu-Bu!

Ro-Kyu-Bu! (ロウきゅーぶ!) is a Japanese sports comedy light novel series written by Sagu Aoyama with illustrations by Tinkle. The novels are published under ASCII Media Works's Dengeki Bunko imprint, and eight volumes have been published since February 2009. Ro-Kyu-Bu! has been adapted into two manga series, an anime television series (by Barnum Studios and Project No.9), and a PlayStation Portable visual novel.

Plot
High school freshman Subaru Hasegawa is forced to stop playing basketball at his school for a while when the team captain gets himself involved in a scandal for being suspected of sexually abusing or attacking a child, and the club is disbanded for a year. His aunt, Mihoshi Takamura, then assigns him to be an elementary school girls' basketball team coach. Initially, he accepts to train the girls just for three days, but after learning of their circumstances, he decided to keep coaching them. Thanks to the girls, Subaru's passion for basketball is reignited as his efforts to improve their skills come to fruition and he becomes close friends with them.