Ro-Kyu-Bu! is a Japanese light novel series written by Sagu Aoyama with illustrations by Tinkle. ASCII Media Works published 15 novels between February 2009 to July 2015. The series follows a high school freshman Subaru Hasegawa who becomes the coach of a grade school's girls' basketball team after the high school team's captain was suspected of abusing the team advisor's grade-school daughter. Three manga adaptations and three PlayStation Portable visual novel games were produced. A 12-episode anime television series, produced by Project No.9 and Studio Blanc, aired between July and September 2011. A 12-episode second season titled Ro-Kyu-Bu! SS, produced solely by Project No.9, aired between July and September 2013.