Breakin has a very cool and firm demeanor. He is very level headed and straight forward which can sometimes come off as him being blunt or insensitive. However, this quickly changes whenever any situation involves dance. He is very proud of his abilities and is devoted to improving them daily. He believes hard work and constant training is the best way to improve one's dancing abilities: And is probably the reason why he harps so harshly on Hibiki's constant slacking. 

The story follows Hibiki Kazaguruma, a sixth grader who meets an amusing little robot named Bureikin while coming home from school one day. Bureikin, a dancer from an alternate-dimension dance world, challenged the dance king for the throne and lost. He has been deprived of Dance Stones (the stones of dance power) and sent to the human world. To restore his power, Bureikin must collect all the Dance Stones scattered around Earth.<br>
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Meanwhile, the Dance Stones cause chaos on the human world. To retrieve the Dance Stones, Bureikin fuses with Hibiki and transforms into a Dance Hero.
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(Source: Anime News Network)