Ikuno Komaki is Manaka's little sister who has a chronic illness that keeps her in the hospital. Prior to episode two of the OVA, her health improved and she was released, thus she was invited to the beach along with her sister. Ikuno is very supportive of her sister and she tries her best to support Manaka in her affection towards Takaki.
A dragon of heaven, Karen is a Soapland call girl and devout Catholic, she was abused by her fundamentalist mother when her power to manipulate fire manifested in her childhood. She comes to admire Aoki. In Tsubasa Reservoir Chronicle In Shara-no, she's the leading actress in an entertainment troupe. In Tokyo, she's one of the seven fighters of the Tower faction.
A foundling girl raised by Shint� priests at Ise Jingū and the the Dragon of Heaven most immediately in touch with Princess Hinoto. Called the "Hidden Priestess of Ise", her specialty is sword fighting, a massive sword emerging from her left hand. Despite her cold, stoic front, Sorata falls in love with her, and ultimately she comes to reciprocate. In Tsubasa Reservoir Chronicle In the Republic of Hanshin, she's a retired miko married to Sorata. In Tokyo, she's a miko who can foresee disaster and is one of the seven fighters of the Tower faction.
Cooking teacher and adviser of the magical girls' club (and of the cooking club). Although she is recruited by the school, she is in fact from the world of the witches. As advisor, she trains the girls to be good magical girls. Ironically, although she is the cooking teacher, she herself cannot cook. Other than the red rather than green eyes, fans of the Tenchi Muyo! franchise can recognize this character as the Washu they know.
The second member of the magical girl club whom Sasami befriended. She comes off as an introvert because she attracts worm-like creatures around her whenever she gets scared and they envelop her body, making her scary to those around her. It is only after meeting Sasami that she becomes more outgoing. Except for the bow on her hair and her hair being more purple than purplish black, she resembles Misao Amano.
A man who Sasami meets on her trip to the world of the witches. He seems to have already known Sasami when she first met him, he claims it's because he knows her shadow. Sasami finds herself to be very fond of him, and thinks often of him after their encounter.