Para Para (2005)

Yuki is from a rich family where she gets everything she wants and huge amount of pressure to succeed at school, but all she wants to do is be an athlete. That was until she runs into Dennis, who shows her Para Para, a dance game where it tracks both your arms and feet movements, that Yuki’s dead sister was into before she died. Now Yuki and Dennis are trying to win Para Para dance competition and Yuki will learn what the connection was between Dennis and her sister and the circumstance surrounding her sister’s death.

Source: www.anisearch.com/manga/4331