Kuroboshi

(黒星) is one of the main antagonists of Rhythmical Hearts Pretty Cure♪. Kuroboshi is very sadistic but naive and despises music even though she likes to sing. She is very loyal to Yamionpu and always carries out the missions he gives her.

Personality
Kuroboshi is very sadistic but naive and despises music even though she likes to sing. She is very loyal to Yamionpu and always carries out the missions he gives her.

However, it is said that Kuroboshi is quite lonely and wants a friend.

Etymology
(黒星) translates to "black star" with 黒 (kuro) meaning "black" and 星 (hoshi) meaning "star"