In 2007, the Punishment of Sexual Perversions Law came into effect. The city is surrounded by a squadron wearing protective suits and they begin to arrest any who look like perversions. No wonder that Inukami Master Keita and Inukami Yoko are wanted for Class A perversions. What will happen to Keita, Yoko, Kaoru's Inukami, and the other lovely perversions? What about Karina?

Kagome leads a fairly normal life, in spite of her weird family. Her house is a thousand-year-old Japanese temple, and her grandfather talks about the history of the house endlessly. Legend has it that the old well on the temple grounds keeps a vicious ancient monster at bay; Kagome never believed those legends, until now. The well opens up and sucked Kagome inside transporting her to an ancient time of enchanted forests and giant demons. Kagome is soon confronted by her odd resemblance to Kikyou, the girl who controlled the magical Shikon no Tama talisman and imprisoned the legendary half-demon InuYasha. Upon entering this fantasy world, Kagome is attacked by a demon hunting the Shikon no Tama; she unwittingly releases InuYasha from his imprisonment, only to find that he's no hero.

Based on the Shogakukan award-winning manga of the same name, InuYasha follows Kagome Higurashi, a fifteen-year-old girl whose normal life ends when a demon drags her into a cursed well on the grounds of her family's Shinto shrine. Instead of hitting the bottom of the well, Kagome ends up 500 years in the past during Japan's violent Sengoku period with the demon's true target, a wish-granting jewel called the Shikon Jewel, reborn inside of her. After a battle with a revived demon accidentally causes the sacred jewel to shatter, Kagome enlists the help of a young hybrid dog-demon/human named Inuyasha to help her collect the shards and prevent them from falling into the wrong hands. Joining Kagome and Inuyasha on their quest are the orphan fox-demon Shippo, the intelligent monk Miroku, and the lethal demon slayer Sango. Together, they must set aside their differences and work together to find the power granting shards spread across feudal Japan and deal with the threats that arise.

Menoumaru, a demon and son of Hyoga, who has been sealed by Inuyasha's father 200 years ago, desires the power of Tetsusaiga for a special task. But instead of asking Inuyasha for it, he takes Kagome hostage and tricks him. The result is that Menoumaru turns even more powerful than before.Together with his female demon underlings Ruri and Hari he manages to turn friends into foes and lovers into haters.

Inuyasha, Kagome and the others have cornered their arch-nemesis Naraku. Kagomes flying purification arrow and Inuyashas Tessaiga finally take Naraku down! Mysteriously, from that night on, the full moon strangely continues for several days.At that time, the unearthly appeared before Inuyasha and the others, calling herself "Kaguya, the Princess of Heaven"!What is the true relation of this greatest of enemies, who controls time freely, to Naraku? Right here and now, a new door opens on the magnificent tapestry of the warring country revolving around the Shikon no Tama!

Many years ago, Inuyasha's father, the Great Dog Demon, wielded the Three Swords of the Fang. Upon his death he bequeathed a sword to each of his sons, Inuyasha and his rival brother, Sesshomaru. He locked the third sword, the wrath-filled Sounga, away forever. Now, 700 years later, the Sounga's tremendous power has been awakened and the two brothers must set aside their differences and join forces in an unlikely and uneasy alliance to battle a force that spells doom for all mankind.

The island of Hourai, controlled by four demon gods. A girl who knows Inuyasha appears: "Ai." Unchanged for fifty years, what is this girl's secret? When the cursed seal comes to the surface, it begins Inuyasha and Sesshoumaru's newest battle!

Inuyasha and company have finally destroyed Naraku. And each start to go in their separate ways. Sango going to find her younger brother Kohaku; Miroku back to his old home; Inuyasha, Kagome and Shippou go to gather the rest of the Shikon shards. Unfortunately this peace is not to last. Shortly afterwards the full moon rises, and just keeps rising each night bringing with it the promise of danger. Kagura and Kanna go in search of a mirror, where locked inside is the ruler of the eternal night, Kaguya. To set her free they must gather five items and drop them into the five lakes of Fuji. Setting her free means the worst danger for Inuyasha and the others. Who are forced to face this new threat.

Izayoi and Inu no Taishou, Inuyasha's parents, are having problems with a human named Setsuna no Takemaru. Sou'unga a magical sword that has been sealed away for 700 years is found. Now everyone is after the sword and its powers but it seems the sword has something else in mind.

The mysterious island of Houraijima has reappeared after 50 years, and with its reappearance has brought the attack of four gods, the Shitoushin, who have their eyes set on the powers that protect and sustain the island. Now it's up to Inuyasha and his friends, along with Sesshoumaru, to find a way to defeat the powerful Shitoushin.

Inu-Yasha has mastered the ultimate attack of the Tetsusaiga and continues his battle for the Shikon Jewel shards with Kagome, Shippo, Sango, and Miroku. Unfortunately, a freak occurance with a jewel shard has brought to life an incarnation of a demonic enemy sealed by Inu-Yashas' father. Inu-Yasha must surpass his father and destroy this demon or every soul in Japan will be consumed.

Inuyasha, Kagome, Miroku, Sango, Shippou and their neko-mata friend Kirara, are now in the final leg of their quest to put an end to the elusive demon, Naraku and all of the chaos and evil he has caused, and to ultimately undo the unfortunate karma of the Jewel of Four Souls. Their journey, however, will not be easy as their remaining enemies put out all the stops to make sure that they do not accomplish their goal. This TV Anime depicts Volumes 36-56 (end) of the Inuyasha manga. The story continues from the last moment seen in Inuyasha's original anime. Inuyasha, Kagome, Sango, Miroku and Shippou are now in the definitive quest to beat Naraku and the evil he has created and absorbed, they don't lose hope since their future depends on it, but the path isn't easy nor short so they will go through life threatening situations and must put their friendship and love on the line with wisdom to know who their friends and foes are to succeed.