Amu Hinamori
Voiced by: Kanae Itou
Birthday: September 24
Blood type: O
Guardian Chara:
Ran
Miki
Suu
Dia
Family: Ami,her mom and dad
About Amu:
Amu Hinamori, the series protagonist, is a student of Seiyo Elementary. Amu's classmates see her as a "Cool and Spicy" girl, but Amu is actually extremely shy and timid. Part of the reason for this misunderstanding is the trendy punk clothing her mother buys for her as well as the way in which she expresses her shyness and avoids doing new things. However, when Amu wishes for the courage to be reborn as her "would-be self", three colorful eggs appear the next morning, which later give birth to Amu's three Guardian Characters: Ran, Miki, and Su.

Ikuto Tsukiyomi
Voiced by: Yūichi Nakamura
Birthday: December 1
Blood Type: AB
Guardian Chara: Yoru
Family: Utau,Aruto
About Ikuto:
A boy who wants the Embryo to obtain his freedom. During Character Change, he grows cat ears, and his hand turns into a paw with metal claws. His Character Transformation is known as "Black Lynx". During Character Transformation, he uses a claw-like glove and wears a leather 2-piece with boots.
At first he is called "nekomimi hentai cosplay otoko" ( lit. perverted cat-ears cosplay guy) by Amu. Ikuto has sensitive ears, like Amu. He possesses the "Dumpty Key", which is the other pair of the "Humpty Lock" owned by Amu.

86-"Resound, My Voice! To The Me of That Day!!"
87-"Save Nana! Guardian Character Nurse and Safeguarding?"
88-"Calamity! The Great Mystery Egg Runaway!!"
89-"Heart, I Understand."
90 - "A Shout of Love in the Center of Town?"