Kasumi Karen is a character from the very popular CLAMP series X. A gorgeous redhead with fire powers, Karen is a member of the Ten No Ryuu, or the Dragons of Heaven, who seek to protect the people of Earth from destruction from their counterparts, the Dragons of Earth. Although she is kind and generally optomistic, she believes that no one will cry for her when she dies--a belief which makes her very sad.

Tears is a fanlisting/clique where members proclaim that they will "cry" for Karen when she dies. Although she many not be their favorite character, her sensual beauty and caring personality made such an impact on them, that they will be sad when she meets her destiny.