Kuwatani. Twin daughters of a veterinary doctor and in the story they help their father in the clinic. Nozomu meets them when he takes Billy to the vet clinic after he ate a fax addressed to Nozomu which got it stuck in his throat. and Ai is voiced by Chiaki Takahashi and Mai is voiced by Minako Sango. The oldest of the twins appearing in the series. Ai is the teacher responsible for Nozomu's, Kira's, Yura's and Keisuke's class, while Mai is the school nurse. and Sara is voiced by Kaori Mizuhashi and Sōju is voiced by Mai Kadowaki. Twin girls who are the same in all but personality: Sōju is mild-mannered and ill-bodied, whereas Sara is rougher in her speech and more energetic. Nozomu meets Sōju while she was painting at the shrine, and Sara wanted him to be loyal to her. Sara herself has a love-hate relationship with Nozomu. They leave the city before the end of the series and come back at the end. Miyabi is voiced by Ai Orikasa. The mother of Lala and Lulu and the shrine maiden of Sourin Temple. Because she is a childhood friend of Nozumu's mother, she allows him to live at her temple while Nozumu's father is studying astronomy in the United States. Nozumu looks to her as a maternal figure after his deceased mother. Billy is voiced by Chiaki Takahashi. The Hinagiku twins' pet goat. He initially developed a dislike for Nozumu because of Lala and Lula's affections for the main character and often showed his disdain for him by means such as eating his homework, headbutting, or biting him. As the series progresses, Billy and Nozumu develop a friendly rivalry. Kenmochi is voiced by Masaharu Satō. The Sakurazuki twins' butler and chief bodyguard. He carries out Kira and Yura's daily tests written out by their father so they are able to fit into society and live as normal high school girls. He at first developed a dislike for Nozumu because he thought Nozumu was trying mug Kira and Yura inside a convenience store in which Nozumu was cleared of wrongdoing. His dislike for the main character continues over the series because of Kira and Yura's affections for Nozumu. At the end of the series, he eventually warms up to him, but he still keeps his suspicions in case Nozumu treats the Sakurazuki twins wrongly. Keisuke is voiced by