Real name: Takeru Daikyo Age: 32 Occupation: Gym Trainer Personality: A leader with compassion as broad as his thick chest. Finishing Move: Chest Press Hug → An embrace of love that envelops even great evil and crushes it with pectoral contractile force.

Real name: Haiji Hirose Age: 30 Occupation: IT Company CEO Personality: A cool intellectual who speaks with his V-tapered back. Hates excess fat and wasted movement. Finishing Move: Lattor Strike → Leaps with lats spread like wings and slams the enemy into the ground from above.

Real name: Shido Daitai Age: 27 Occupation: Gardener Personality: Vanguard captain proud of his leg strength, never skips squats. Finishing Move: Quad Stamp Squat → A stomp concentrating quad power into one point. Shakes the very earth.

Real name: Naoki Haramaki Age: 35 Occupation: Chiropractor Personality: Has the strongest core in the team and is mentally unshakable. Finishing Move: Six-Pack Reflection → Reflects enemy beams and physical attacks with steel-hardened abs.

Real name: Mine Nito Age: 21 Occupation: University Student (Human Health Sciences) Personality: Confident youth. Stricter than anyone about protein blends. Finishing Move: Biceps Peak Slam → Traps the enemy with mountain-like biceps and throws them heroically.

Occupation: Guest's boss and leader of "Infinity Gain." Note 1: Age unknown. Possesses a body larger and more hypertrophied than any Muscular. Note 2: Wears intimidating black and gold laser armor while flaunting his physique. Note 3: Believes the weak should obey the strong and effort is for losers. Aims to turn humanity into lethargic livestock. Finishing Move: Gravity Overload Press → Crushes enemies by manipulating gravity. Violent and overwhelming pressure.

Occupation: Combatant of "Infinity Gain" Features: Attacks with giant plastic hammers while shouting "Muscle! Muscle!" Moves with a goofy shuffle. Mutters "Protein..." when defeated.