Naraku seizes Kohaku's jewel shard and completes the Shikon Jewel. He also abducts Rin to use as a shield against Sesshomaru.; While Naraku finishes tainting the Shikon Jewel, Kagome returns to the twentieth century long enough to participate in her junior high graduation ceremony.; Naraku begins spreading an evil aura of darkness over all of Japan.; Unwilling to attack Naraku from the outside for fear of harming Rin, Kagome and the others venture inside Naraku's demonic body, intentionally stepping into his trap.; Unable to destroy Naraku's body from within, Kagome and Inuyasha seek out the Shikon Jewel inside of him, intent upon destroying it.; Proximity to the tainted jewel turns Inuyasha into a full demon. Naraku gives Kagome a special arrow so she can kill Inuyasha before he can kill her, if she desires.; Naraku tries to force Miroku to use the wind tunnel to save Sango, even though using it one more time will consume Miroku forever.; Miroku tries to escape Sango before the wind tunnel can consume him. Naraku manifests himself over Kikyo's village. Sesshomaru and Kagome search for Rin. Rin flees Magatsuhi, only to run into full demon Inuyasha.; Magatsuhi possesses Inuyasha to battle Sesshomaru. Shippo, Jaken and Kohaku team up to assault Naraku from the outside.; Fully possessed, Inuyasha attacks Sesshomaru. And if Sesshomaru kills Inuyasha, he'll only make the tainted Shikon Jewel stronger.