Ninja Olympiad

Toha Yamaji, a ninja in training, must don the family suit and become Jiraiya when the Sorceror Clan comes after his family and the mysterious Pako just as various ninjas from around the world begin to arrive for the same object.

Toha tries to convince Castle Ninja Baron Owl that he is Jiraiya when the British ninja asks for his father to fight in his place.

Toha investigates a powerful Turkish ninja who has come to Japan to take back a treasure from his homeland.

When Toha loses his will to fight against a powerful illusion-casting ninja, his siblings Kei and Manabu go to face him in their brother's place.

Manabu steals Jiraiya's Jikkou Shinkuuken to prove his worth to the family, only to have it taken and used by a lizardman ninja.

Toha decides to search for Reiha in hoping to solve some secrets of the Board, only to be targeted by the Sorcerer Clan and a sound-manipulating ninja.

Toha and Tetsuzan are attacked by a famed ninja hunter of Africa who mercilessly kills all he targets.

Toha and Kei are assigned to protect a princess from an assassination attempt by the Sorcerer Clan.

Ryu approaches Toha to sacrifice their Board piece to the Sorcerer Clan in exchange for saving Rei, with Baron Owl also in pursuit of the key to Pako.

A trip to Yokohama leads Toha to face against the Sorcerer Clan and ninja assassins from Hong Kong targeting him.

After barely escaping from the Chinese assassins, Toha must regroup and find a way to defeat the rival ninjas, particularly after Reiha becomes hurt saving him.

The Yamaji family protect a former student of Tetsuzan and his daughter being pursued by an origami-manipulating ninja.

Toha and the Yamaji family visit with a ninja platoon protecting the memoryless Rei as she's targeted by a powerful assassin aiming to defeat Jiraiya.

Toha is asked to protect a train station under threat of a rocket-firing American ninja who has come to Japan in the midst of a destructive rampage.

Haburamu asks the Yamaji family to assist in managing a cursed sword which has revived a powerful witch ninja.

Jiraiya faces against a squadron of elemental ninjas sent by the Sorcerer Clan, yet with one not like the others.

Toha and Manabu head to Hamanako to prevent the discovery and use of a demonic armor, but face resistance from local ninja who believe them as the enemy.

When Jiraiya finds difficulty in defeating the power of Maou, he must learn the ways of the peaceful flower ninja Yumeha to find a clue for victory.

Dokusai hires a ninja master of disguise to cause distrust in the Yamaji so he can kick them out of their apartment and gain their piece of Board.

As Toha continues to try and manage the Yamaji household with his father gone, a gunslinging ninja of the American West is brought in to take him down by the Sorcerer Clan.

A holy ninja of the Middle East is manipulated by the Sorcerer Clan to steal all the gas in Japan.

Kei protects her new friend from school bullies as well as the manipulations of the Sorcerer Clan to take down her and her family.

Toha and the Sorcerer Clan are forced under the thumb of a cyborg ninja abducting scientists to use their knowledge to create chaos.

While on Namegawa Island to restore Rei's memories, Toha tries to prevent the Sorcerer Clan and a deep-diving ninja from finding pirate treasure.

The Yamaji family takes in a stray-adopting ramen woman as they search for their missing dog and face the legacy of hunter ninja Makumba.

While visiting with Oroha with Manabu, Kei becomes lost with a man who claims to have found the legendary Ryuugu Castle.

When a stranger defeats Toha and takes the Jiraiya suit and weapon, he must reaffirm his training and family in order to face him down.

Touha discovers the truth about his family and his connection to Board when his birthplace is attacked by the ninja who killed them.

Manabu runs away from home so he can find a teacher who can make him stronger than Toha.

After completing Pako's final wish, Toha must settle one final score with Dokusai in order to finally bring an end to the long, hard ninja conflict.