He was the first King's Chair of the "Guardians" and their founder. Manages the planetarium as a part-time job. Artist of the artbook "Kokoro no Tamago" (The Heart's Egg). Looks similar to Tadase. At first, he is thought to hold the Humpty Lock. A cat lover and has a liking for Ikuto's cat ears. He plays as a minor character but seems to have a bigger role in the story, considering that it is he who assigns the Guardian Chairs and is often seen counseling Tadase. He is able to travel through time. It is revealed in the last chapter of the manga that he is Tadase's adult self, traveling through time. In chapter 48 however, it is shockingly revealed that the man Amu thought was Tsukasa was actually Tadase from the future when Kiseki making it back into the path of stars and calling him "Tadase", the reason why he looks like Tadase is because he is Tadase's mother's brother. (Source: Shugo Chara! Wikia, Wikipedia)
The team's first instructor and commander of the Women's Division. She was one of the first God Eaters to retire. She is also Lindow Amamiya's elder sister. A former God Eater who once served as leader of the Fenrir Far East Branch Combat Unit. As a Long-Distance type of God Eaters, she was peerless in her achievements. Relived of her God Eater post in 2069, she now serves as both the supervisor for the 1st-3rd units and the advisor for newly recruited God Eaters.
Tsukimi is an otaku girl who lives in Tokyo and wants to be an illustrator. Influenced by her late mother, she has a love for all kinds of jellyfish and is quite knowledgeable about them. She is the only resident of Amamizukan who knows Kuranosuke's true gender. Like the other Amars, she has a fear of stylish people and will usually petrify in their presence. Tsukimi has a pet spotted jellyfish named Clara. Whenever she gets a make-over from Kuranosuke she becomes beautiful and Shū falls for her. She reciprocates Shū's feelings but she is led to think that he is in love with another person. She grows to be very comfortable around Kuranosuke when he is cross-dressing to the point she nearly forgets his actual gender, but conversely she gets very nervous whenever he is in his normal "boy" state in front of her.
Tsubaki Hibino is the main protagonist of Kyou, Koi wo Hajimemasu. She loves doing her little sister's hair but doesn't think the cute styles suit her at all. As a result, she braids her hair everyday and wears old-fashioned clothes and is often teased at school for this. Kyouta Tsubaki makes her his next "target", and she ends up falling in love with him. Kyouta initially rejects her after her first confession, but he grows to accept her, and they begin dating officially in chapter 16. (Source: Wikipedia)
Tsubaki's elder sister. She considers it her duty to raise her brother properly in place of their deceased mother, and refuses to consider getting married until he graduates and finds a job. She spends her time housekeeping. Tsubaki's occasional strange behavior from the effects of Urabe's saliva sometimes makes Youko worry about her brother. Youko has met Urabe, but has not been told of the full extent of her relationship with Tsubaki. Urabe said she was only a classmate Tsubaki helps often at school, though some dialogue suggests she knows the truth. (Source: Wikipedia)