Takeuchi Tomo manga
An ordinary middle school student, Fujita Tatara couldn't find any objective in life and spent his days idly. One day, a group of delinquents picks a fight with him and he is saved by a mysterious man. After that, the man surprisingly takes him to a ballroom dancing class! While being inspired by a girl dancer who goes to that school, Hanaoka Shizuku, and her partner, a genius dancer, Hyoudou Kiyoharu, Tatara starts decicating his youth to dancesport!! 2nd place in the 2013 Manga Taisho Awards.