おおきく振りかぶって
Ookiku Furikabutte
Official site of the anime:
http://www.tbs.co.jp/anime/oofuri/
And more comprehensive site:
http://www.oofuri.com/
Director: Mizushima Tsutomu
Series Composition: Kuroda Yousuke
Character Design: Yoshida Takahiko
Animation Studio: A-1 Pictures