InuYasha, having been pinned to a tree by his former love, Kikyo, and is awakened by the teenage girl, Kagome Higurashi. While at first his only desire is to retrieve The Jewel of Four Souls so he can become a full yōkai instead of a half-demon, InuYasha eventually creates a heartwarming and complicated friendship with Kagome and the rest of their group. Though on uneven terms with his half-brother Sesshomaru, InuYasha had a close relationship with his mother and, though he had never met him, his father did leave him a sword, Tetsusaiga. When the half-demon Naraku begins collecting jewel shards to gain ultimate power, InuYasha and his friends set out to collect the jewel shards and defeat Naraku.