Kairi's Guardian Character. Musashi has traits and the personality of that of a samurai. He also has some of Kairi's traits, such as green hair and glasses. When he Character Transforms with Kairi, they become Samurai Soul. In the anime television series, Musashi is voiced by Nobuhiko Okamoto.
Kairi Sanjo replaces Kukai as the new Jack's Chair when Kukai leaves for middle school. Kairi is tall, despite being two years junior to Amu. Unlike the spontaneous Kukai, Kairi is uptight, very organized, and blunt about faults. Even with these traits, he is so capable that Amu and Yaya call him "Class President"Kairi is the younger brother of Yukari Sanjo and was sent to spy on the Guardians. This wasn't his choice though, as Yukari immediately begged him to transfer to Seiyo upon discovering that he had a Guardian Character. Since his sister is busy at work, Kairi takes care of the household work (and his sister) in her apartment. However, when he saw the true meaning of his "missions," he tries to rebel against Yukari, but not before he reveals his secret to the Guardians when they accidentally discover him with Pestering CDs. He switches sides after Amu convinces him he is a good person. Afterward, he leaves saying that he promised his parents and local classmates that he would return, but not before declaring his love for Amu, saying that he shall return for her when he has become worthy of a man. He also declared a rivalry toward Tadase. Recently in Chapter 44, he is shown in Amu's town looking for Yukari and comments about also looking for "that person". In chapter 45, he becomes the adviser for Yuu Nikaido and Yukari Sanjo, who are arguing about getting back together. In chapter 46, he returns to the academy to meet with Tsukasa, meeting Hikaru and Yaya on his way. In the anime television series, Kairi is voiced by Mitsuki Saiga. He is portrayed by Reo Sawada in the musical.
Kusukusu is Rima's Guardian Character and represents Rima's desire to make others laugh. When she Character Changes, Rima becomes a gag character (which she is embarrassed to use) and uses a signature phrase and pose: "Bala-Balance" (Balancing Balance) from the magazine Great Gag Manga King (ギャグマンガ大王, Gyagu Manga Daiō). During Character Transformation, Rima becomes Clown Drop. In the anime television series, Kusukusu is voiced by Sayaka Narita.
Rima Mashiro replaces Nadeshiko as the new Queen's Chair. Although Rima is the same age as Amu, she is extremely petite and has relatively poor athletic ability. Most of the boys in her class admire her because of her beauty and passive personality, while the girls are annoyed by her because of her selfishness.Because of a kidnapping incident that happened before she transferred to Seiyo Elementary, her parents pick her up after school, but since it interferes with their work schedules, they often argue about who cares more for Rima over work, resulting in Rima often having no one but Kusukusu as company for her secret interest in gag comedy. Later, she opens up to Amu and becomes friends with her.When Yaya explains to Rima about Amu and Nadeshiko's friendship, she appears to be jealous. At first, she is shown to have great dislike for Nagihiko because Amu told Rima and Yaya that he is Nadeshiko's twin brother due to a confusion between the two. That leads Rima to be protective over Amu. She tells Nagihiko that he is useless because his Guardian Character is still inside an egg, but gains respect and trust for him later on. Rima discovers that Nadeshiko and Nagihiko are actually the same person. She performed a join attack with "Nadeshiko" called queen's waltz. In the anime television series, Rima is voiced by Sayuri Yahagi. She is portrayed by Karen Yagishita in the musical.
Pepe is a baby-like Guardian Character who was born from Yaya's desire to remain baby-like in nature. When either she or Yaya get hurt or something goes wrong, both of them will begin to whine and cry in unison. During Character Transformation, they become Dear Baby. In the anime television series, Pepe is voiced by Kimiko Koyama.
Yaya Yuiki is the childish girl serving as the Ace Chair and is one year junior to Amu. Yaya often acts immature for her age, such as having an enormous sweet tooth, a great soft spot for items like ribbons, as well as tending to be hyperactive. She is also a ballerina, though a rather clumsy one. She has a newborn baby brother named Tsubasa, who, she claims, gets all her parents' attention. It is because of this that her baby-like Guardian Character, Pepe, was born. Though she acts jealous around Tsubasa, Yaya does have a responsible side, once personally taking him to the doctor when he had a fever, as no other option was possible. In the anime television series, Yaya is voiced by Tomoko Nakamura. She is portrayed by Meimi Tamura in the musical.
Kukai's Guardian Character is Daichi. He is very good at sports and cannot seem to sit still. He was born when Kukai wanted to do many sports but had to choose. When Daichi and Kukai Character Change, Kukai becomes even more athletic. When Kukai and Daichi return for a visit, they Character Transform with the power of the Humpty Lock, becoming Sky Jack. In the anime television series, Daichi is voiced by Hiroyuki Yoshino.
