Tamie Idogawa (井戸川 民絵, Idogawa Tamie) is Kugimiya Masami's dance partner. She is a woman of few words but immense skill. Not much has been revealed about her character, but she seems to be stoic and calm under even strenuous circumstances.
Trivia 
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According to the fanbook, she weighs 52 kg. She was born in Hokkaido, and she began dancing at age 6.
