This is the arc that takes the goofiest hero in wrestling manga and makes you watch him earn a crown in blood. Five rival claimants show up at the coronation, Soldier, Zebra, Mariposa, Big Body and Super Phoenix, each with a five-man team, and suddenly Suguru's dopey underdog routine has to hold up against opponents who are just as royal and far less merciful. The gut punch is Kinnikuman Soldier, because that mask hides Ataru, and the show makes you sit with what it means to fight your own brother for a throne. Old friends like Terryman, Robin Mask and Warsman aren't cameos here, they get thrown into matches they may not walk out of, and the 1991 production leans hard into the pause, the held frame, the scream before the drop. Every episode is building toward the Muscle Spark, and by the time Suguru finally lands it you understand exactly what it cost him. Comedy series, funeral stakes.
Kinnikuman stands on the brink of his greatest achievement: inheriting the throne of Planet Kinniku. The coronation ceremony should be his moment of triumph, but everything crumbles when five other claimants suddenly appear, each insisting they are the legitimate prince. The kingdom spirals into chaos, and there's only one way to settle the matter: a brutal Royal Survivor Tournament where only one Kinnikuman can emerge victorious. Armed with the legendary Muscle Spark technique, Kinnikuman must fight through increasingly dangerous opponents while questioning everything he thought he knew about his own origins. His friends rally behind him, but no amount of support can guarantee victory against opponents who share his own power and determination. The tournament becomes more than a competition for a crown. Each match peels back another layer of mystery surrounding Kinnikuman's true identity and destiny. Expect explosive wrestling action mixed with genuine comedy that never takes itself too seriously. This arc balances ridiculous character moments against genuinely high-stakes battles where the outcome feels uncertain.