背すじをピン!と 背すじをピン!と~鹿高競技ダンス部へようこそ~
Full name: [b]Sesuji wo Pin! to ~Shikakou Kyougi Dance-bu e Youkoso~.[/b]

A manga in [[Weekly Shounen Jump]] about a cute, short, shy boy ([[Tsuchiya Masaharu]]) and a cute, short, shy girl ([[Watari Eri]]) who join a combat ballroom dancing club full of extroverts.
sesuji wo pin! to