Tsukasa Shishio 18 years old | 195cm | 99kg Personality: Calm and intellectual. Possesses strong convictions and acts for his ideals. Has a gentle side, treasuring his younger sister. Role: Founder and supreme leader of the Empire of Tsukasa. Aims for a new world composed only of pure-hearted youths.

Hyoga Akatsuki 23 years old | 189cm | 81kg Personality: Ruthless and rational. Chooses any means for his goals and holds an elitist ideology. Role: The de facto number two of the Empire of Tsukasa. A powerhouse on par with Tsukasa, supporting the Empire's military strength.

Ukyo Saionji 24 years old | 173cm | 63kg Personality: Calm and kind. Tries to avoid conflict and values the lives of others. Role: A key figure in the Empire of Tsukasa. A Self-Defense Force officer before petrification, possessing exceptional hearing. His hearing is so acute he can hear sounds from 10 meters away.

Age: 19 Height: 175cm Weight: 61kg Personality: Acts frivolous but has a fast-working mind and excellent observation skills. Good at calculating profit and loss and reading the opponent's psychology. Also has a side that cares for his comrades. Role: A mentalist. Serves as a negotiator between the Empire of Tsukasa and the Kingdom of Science. Initially on Tsukasa's side, but later cooperates with Senku.

Age: 18 Height: 180cm Weight: 85kg Personality: A big-sister type who is caring and compassionate. She looks tough but is the type to get passionate about things she likes. Role: A combatant for the Empire of Tsukasa. Practiced judo before petrification. A huge fan of Lillian, she treasures her songs.

Homura Momiji 17 years old | 145cm | 40kg Personality: Taciturn and loyal. Her trust in Hyoga is extremely strong, and she acts for his sake. Role: Hyoga's close associate. Handles information gathering and surveillance within the Empire of Tsukasa.

Minami Hokutozai Age: 18 Height: 166cm Weight: 59kg Personality: Highly curious and excels at information gathering. Bright and proactive, she moves energetically for her goals. Role: A former reporter. Handles information gathering in the Empire of Tsukasa. Well-versed in information about pre-petrification celebrities like Lillian.