背すじをピン！と～鹿高競技ダンス部へようこそ～

Masaharu Tsuchiya, a shy first-year high school student, is captivated by the competitive dance club’s performance during a club introduction. At a trial session, he meets Eri Watari, another inexperienced freshman, and they decide to join the club together. Under the guidance of senior members like the energetic Hirari and the strict Tanya, they learn the basics of competitive dance, starting with proper posture. The duo faces the challenge of mastering complex steps and building chemistry as partners. Their early days are filled with rigorous practice and lighthearted moments as they adapt to the demanding world of dance. (Unreviewed summary by Grok 3)