Jota Homuraya Gender: Male Aida Academy, Middle School 1st Year Jota is a bright and energetic boy! Along with his rival and best friend Reiki and his childhood friend Hikari, he aims to become the Ai-Borg Champion! Ai-Borg: Sushi Samurai Sushi Samurai is a samurai-type Ai-Borg overflowing with duty and compassion. He usually trains as a chef at Jota's family home, "Homuraya Sushi." He was also partners with Jota's father in the past.

Name: Reiki Himuro Gender: Male Aida Academy, Middle School 1st Year, Class A A genius Ai-Borger, Reiki is a cool honor student. He's Jota's childhood friend, rival, and best friend! His younger sister is Yuki Himuro, a 3rd grader in elementary school. They are very close siblings. Ai-Borg: Polar Bear Knight A polar bear-type Ai-Borg carrying a freezing sword. He is a knight who has sworn loyalty to his master, Reiki. It's a secret that he can't swim.

Hikari Hakkodani Gender: Female Aida Academy, Middle School 1st Year, Class A Hikari is a reliable girl. She's great at studying and customizing Ai-Borgs! She, Jota, and Reiki have been a close-knit trio for a long time. Apparently, she's a huge fan of Lord Haruya. Ai-Borg: Thunder Otoshigo A seahorse-type Ai-Borg. In battle, it wraps itself in the power of lightning to support itself and its allies! Its hobby is dancing with its supple body.

Ban Kajimoto Gender: Male Aida Academy, Middle School 1st Year, Class B Ban frequently gets in the way of Jota and his friends. He'll use sneaky and cowardly methods to achieve his goals. Even though he gets beaten back every time, he's a persistent guy who never gets discouraged no matter how much he fails. Ai-Borg: Stag Locomo A stag beetle-shaped Ai-Borg. During battle, it combines with steam locomotive add-on parts to take the form of a long-necked dragon. He's a narcissist with a "dark power" complex.

Tomori Tomoshibi Gender: Male Aida Academy, High School 3rd Year The student council president. He is also a skilled businessman and the top candidate for the next president of Tomoshibi Company. He is polite, mature, and treats everyone calmly. Ai-Borg: Black Lotustle A turtle-type Ai-Borg. During battle, its shell opens like a lotus flower, giving it a majestic appearance. He is detached and philosophical, like a silent hermit.

Mikage Yadorigi Gender: Female Aida Academy, High School 1st Year A mysterious, beautiful girl with purple hair. She is a strange girl who speaks little and doesn't try to interact with people much. Ai-Borg: Comet Bluebird A bird-type Ai-Borg that constantly flies around to protect Mikage. It has a strong will and never forgives any disrespectful punks.

Haruya Soyokaze Gender: Male 19 years old A professional Ai-Borger and graduate of Aida Academy. He is currently active all over the world! With his good looks, skilled battle techniques, and kind, prince-like personality, he is known by the nickname "Prince Haruya." Ai-Borg: Angel Sprout A seed-type Ai-Borg. During battle, the seed sprouts and takes the form of an angel made of plants.

Nanaha Akasata Gender: Female Aida Academy, Elementary School 6th Year A junior who loves being the center of attention and having fun. Apparently, she's actually the daughter of a major corporation! She's always energetic and positive, but her slight inability to read the room is her one flaw. Ai-Borg: Doremi Ingot A colorful rock-type Ai-Borg. Its catchphrase is "As expected of Lady Nanaha!"