In Pursuit of Naraku.Byakuya arrives to see the aftermath of the battle between Sesshomaru and Shishinki. Meanwhile, Totosai confirms that Sesshomaru's father gave him Tenseiga so Meido Zangetsuha could be perfected, then have Tetsusaiga reabsorb it. Elsewhere, Naraku tries to take Kohaku's jewel shard, only to find that it is still being protected and purified by Kikyo's spiritual powers. Kohaku fights Naraku alone in order to protect Jaken and Rin. Inuyasha's group go past Byakuya to get to Naraku, who tries to taunt Sango by claiming Kohaku runs from her to forget his past, but yet she states would still fight for him when he needs her. She attacks with Hiraikotsu and to her surprise, it now has its own demonic energy and it is able to injure Naraku. Although Inuyasha, Kagome and Miroku each try to attack him, the severely wounded Naraku manages to flee. Afterward, Kohaku tells them that because his jewel shard is still pure, they may still be able to use it in the final battle with Naraku.