Karen Houjou is a fictional character from the anime series THE IDOLM@STER Cinderella Girls. She is a passionate and determined idol who is known for her cool and stylish demeanor on stage. Despite her calm exterior, Karen has a vulnerable side, having dealt with health issues in the past. This has fueled her desire to live life to the fullest and make a name for herself in the world of idols. Throughout the series, she grows both personally and professionally, often motivating her peers with her perseverance and charm.