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Uesugi Teppei and his father has been living in the forest to search for buried treasures. As they have been isolated from the society, Teppei has lived unlike children of his age and develop a behavior that is very wild, playful and rude. But he is in fact from a prestigious family and now being found, is to live like a normal child and attend classes and club in school.
Kyoji Miura was a normal seventeen-year-old boy; he went to class like any other teenager, and was a member of the school's kendo club. However, when his kendo mentor revealed himself to be the reincarnated spirit of the ancient Incan warrior Yawaru, Kyoji's life changed forever. For it seems that Kyoji is none other than the reincarnated spirit of Bilka, Yawaru's sworn enemy, and it's up to him and his allies to save the world. Yawaru wishes to harness the mysterious and dangerous power of Iriyatesse, and only our heroes can stop him.
Ranmaru is handsome, popular, a master of kendo and adored by his roommate and lover Enjoji. But when Ranmaru is involved in a hit and run accident, he loses the ability to partake in his beloved sport, and comes to fully appreciate the man who loves him for who he is. Unfortunately, that appreciation won't stop other possible suitors that soon try their luck with the dashing college student, and he finds himself in a compromising position with one of his professors. Is Ranmaru destined to stay with Enjoji forever, even when ex-kendo student Kei enters the picture?
Kojirou-sensei, the rather indifferent teacher and coach of the school kendo club, is in financial dire straits. As a result, he makes a bet with his fellow kendo coach and former upperclassman to see who can assemble and train the better female kendo team, with the prize for Kojirou being a year's supply of food if he wins. Motivated by the idea of free food for a year, he begins to teach the club seriously; however, most of its members have already graduated, and so he is tasked with assembling members in addition to training them for the competition with his rival. While dealing with his eccentric students, he slowly rediscovers why he loves kendo and what it truly means to be a teacher.
Goro Honda is a little boy who is obsessed with baseball. As a child, he watches his father, a professional baseball player, be removed from the Blue Oceans’ main team due to a shoulder injury that left him unable to pitch again. However, since his son looks up to him more than anyone else in the world of baseball, Goro's father decides that he can't quit just yet (as pitching is not the only way to be able to play baseball!). With his father's shining example, Goro decides to never give up as well, working his way into the Japanese Little League as a force to be reckoned with!
An arrogant karate master named Tadashi Sawamura enters the kickboxing ring to prove his superiority, only to be beaten into a coma by a practictioner of the new art. After recovering, his trainer Endo convinced Sawamura to study kickboxing in order to regain his honor.
Kinnikuman has proven himself worthy to be crowned the next king of Planet Kinniku. But at the ceremony, five other Kinnikuman's arrive, all claiming to be the true prince of Planet Kinniku. Now, a Royal Survivor Tournament is being held to decide the true successor to the throne, and with the help and support of his friends and with his recently acquired knowledge of the Ultimate Technique (The Muscle Spark), Kinnikuman fights for what is rightfully his.