Sasame is the Knight of Sound and has a job as a radio personality, addressing people's problems on the air. Sasame enables Himeno to strengthen her abilities as Prétear, by not only teaching her how to use her powers, such as the Sonic Arrow, but by also providing her with advice. Much to her embaressment and small crush on him. Though appearing to be well-balanced and sure of himself. He too has some dark secrets.
SpoilerSasame later is revealed to only want to help Himeno and her being Pretear, to just use her to get what he wanted. Which was infact due to his hidden unrequieted love for Takako, to become her Knight of Darkness. Pitting him against the Leafe Knights and the Prétear.
MAL