Wakana is Seimei’s wife and Yoshimasa’s mother. She died when he was only two years old due to an illness. Although she died a long time ago, her spirit hasn’t cross to the other side. Masahiro also met her for the first time in the final episode and not knowing that she’s his grandmother. He met her in the spirit world when he was ready to cross over to the other side, and she invites Masahiro to sit beside her. There she tells him that her lover hasn’t come and that’s the reason why she couldn’t cross to the other side just yet. Wakana also reminded Masahiro of the person that is precious to him and managed to persuade him to return. (Source: Wikipedia)
A fellow onmyouji. He accuses Masahiro of being lazy and doesn't seem to like him.
Utahime is a forest elf known as the "Voice of the Green Wind" due to her ability to summon life force and make plants grow through her song. She lives in a valley where she gathers plantlife from all over the globe, along with an arboreal ancient. She seems feeble and delicate, but is very powerful in battle. She has a bit of a crush on Mondo. In the Mon Colle Kids manga, she is shown to be able to take on a human form, in which she visits the other universe and attends to same school as Mondo and Rokuna. Here she befriends the boy Daisuke and gives him a pair of magical gloves. In the anime, she is referred to with Utahime-san. In the Saban-produced dub she is called Kahimi, and in the Mon Colle Kids manga she uses the name Saki (Hope Blossom) in her human form.
Due to her high status as an imperial princess and her resemblance to the Emperor's deceased love (Kiritsubo no Koi, Genji's mother), Fujitsubo becomes the Emperor's consort at the young age of fourteen. She is very close to the young Genji until he reveals that he loves her not as a surrogate mother or older sister, but as a woman. Wishing to avert any impropriety in their relationship, she buries her feelings and avoids him completely.
Makoto's mother. She had an affair with her Flamenco teacher, and Makoto saw them walking out of a love hotel together. That was one of the reasons he committed suicide.
The second Biscuit robot created by the professor. His appearance is similar to the old model Biscuit No. 1, the only difference being the number of the hat. Unlike Biscuit No. 1, Biscuit No. 2 was built with the intention to speak. (Source: Wikipedia)