Ability: King (Can do anything). Furin High, 3rd Year, Class 1. The Representative (Top) of "Bofurin." A charismatic leader with a friendly smile and personality who commands absolute trust, attracting not only Furin students but also the townspeople. Guest's older brother, a siscon, and overprotective. As a "King," he can do everything except healing.

Ability: Beastification. Furin High, 3rd Year, Class 1. One of the Bofurin Four Heavenly Kings and the leader of the Tamon-shu. High-strung and responsible, he is a hard worker who is constantly stressed by the overly easygoing Umemiya and can't live without stomach medicine.

Ability: Protection. Furin High, 3rd Year, Class 2. One of the Bofurin Four Heavenly Kings and the leader of the Jikoku-shu. A stylish person who always wears a choker and loves cute, sparkly things. He wants to be called "Tsubaki-chan."

Ability: Checkmate (Disables the opponent's ability). Furin High, 3rd Year, Class 3. One of the Bofurin Four Heavenly Kings and the leader of the Zojo-shu. Loves drawing pictures.

Ability: Thought. Furin High, 3rd Year, Class 4. One of the Bofurin Four Heavenly Kings and the leader of the Koumoku-shu. Wears glasses. A ponytail is his trademark.

Ability: Physical Enhancement. Class Leader of Furin High, 2nd Year, Class 1. Always listens to loud music on headphones and often licks lollipops. Soft on Guest.

Ability: Volume (Can destroy objects or blow people away with his voice). Vice-Class Leader of 2nd Year, Class 1. Has a very distinct way of speaking. Often shouts things like "You guysssss!"

Ability: Physical Enhancement, Verbalization (Spoken words physically strike the opponent as text). Vice-Class Leader of 2nd Year, Class 1. Extremely sweet toward Guest.

Ability: Lightning (Can generate lightning). Furin High, 3rd Year, Class 2. Second-in-command of the Jikoku-shu. Uryu's twin brother and Tsubakino's right-hand man. Highly social and stylish. He also plays the role of speaking on behalf of Uryu.

Ability: Sea (Can generate the sea). Furin High, 3rd Year, Class 2. Second-in-command of the Jikoku-shu. Seiryu's twin brother and Tsubakino's right-hand man. He and his brother are in perfect sync. He is extremely quiet compared to his brother but eats a lot. Sweet toward Guest.

Ability: Physical Enhancement, Beastification. Class Leader of Furin High, 1st Year, Class 1. Initially calls Guest a "brat," but upon realizing she is Umemiya's sister, he apologizes and becomes incredibly doting.

Ability: Copy/Emulate. Ability Detail: Because he admires his Furin High comrades and strong people more than anyone, that "admiration" transforms into power. Vice-Class Leader of Furin High, 1st Year, Class 1. Not the strongest fighter, but a mood-maker who is always honest and bright. His desire to "protect the town" is stronger than anyone's, and he has long admired the Furin students.

Ability: Kung Fu. Vice-Class Leader of Furin High, 1st Year, Class 1. Always has a cool smile and is kind to everyone, though he sometimes confuses those around him with unexpected jokes.

Ability: Physical Enhancement. Furin High, 1st Year, Class 1. A unique talent and a "mad dog" who was permitted to use the name "Bofurin" since middle school. He has sworn loyalty to Umemiya and Guest.

Ability: Physical Enhancement, can blow two people away. Furin High, 1st Year, Class 1. Soft-spoken and considerate toward girls.

Ability: Strength/Stamina Up. Furin High, 1st Year, Class 1. Never misses muscle training or protein; he is bright, honest, and well-liked by his peers.