One of the five "Daughters of the Witch" who possesses a singing voice capable of regenerating a broken world. Her personality is bright and energetic. She doesn't have a sense of justice like "never forgive evil," but she stands up against things she finds unreasonable. Because of this, she faces the "Tesseractors" that bring anomalies to Kamitsubaki City. Pink hair. Addresses everyone except her Familiar by their given name with "-chan."

One of the "Daughters of the Witch." Her personality is intellectual and active. She is intelligent and hardworking, but possesses a delicate heart. She excels in both studies and sports, is a great singer, and comes from a wealthy family—a nearly perfect girl. Her only flaw is her "emotional fragility." Addresses everyone except her Familiar by their given name with "-chan."

One of the "Daughters of the Witch." Her personality is emotional and deeply affectionate. She is an energetic hard worker who gives her all to everything. Originally shy and easily hurt, she acts strong to face a harsh society. Addresses everyone except her Familiar by their given name with "-chan."

One of the "Daughters of the Witch." She was born with a mysterious power to foresee the future. At first glance, she seems to have a weak sense of self, but her will is strong. She possesses a kindness that considers those around her and a conviction to resist malice. Addresses everyone except her Familiar by their given name with "-chan."

One of the "Daughters of the Witch." Her personality is dignified and mature. On the other hand, she is quite airheaded and has a clumsy side. She is straightforward in expressing her emotions, whether crying easily or being high-spirited. A girl full of unexpected contrasts. Addresses everyone except her Familiar by their given name with "-chan."

An eccentric Tesseractor who sides with humans. He possesses the supernatural ability of high-speed movement. In human form, he looks like a short boy, but his true identity is a giant blue fish monster. His personality is that of a cool cynic. He doesn't reveal his inner thoughts, but for some reason, he fights to protect Kaho. Kaho's Familiar.

A special individual Tesseractor. He possesses the supernatural ability to manipulate heat. In human form, he is a delinquent, and his true identity is a reptile-like monster. He is bellicose in either form. His personality is simple and cheerful, but he is rational when it comes to combat. Haru's Familiar.

A special individual Tesseractor. He possesses the supernatural ability to create clones of himself. An individual of the same subspecies as Laplace, his true identity is a red fish monster. His personality is arrogant and provocative. He is sharp-witted and strong in battle, but has a somewhat childish side. Rigan's Familiar.

A special individual Tesseractor. He possesses the supernatural ability to manipulate poison. In human form, he looks like a butler, but his true identity is a plant-like monster. His personality is calm and intellectual. He follows Sekai Yoruwa as her loyal attendant. Sekai's Familiar.

A special individual Tesseractor. He possesses the supernatural ability to manipulate lightning. He has a unique birth, and even his true identity as a Tesseractor is semi-human in appearance. His personality is taciturn, strict, and introspective. He is harsh toward everyone but is somewhat soft only toward Koko Rinne. Koko's Familiar.