Lucy Heartfilia Higurashi was adopted by Higurashi family. She was a same age as Kagome. Her biological mother was died since she was six years old but she never know what happened to her mother and where her grave for.
What Lucy doesn't know that...
Kagura continues flying away on feather, fleeing Naraku even though he could still kill her remotely by destroying her heart; however, this may be because in this way, she has freedom. Kagura remembers Inuyasha's promise to her, but knows better than try hoping for him to fulfill it. She says she'll fly as far away as she can.
In the Village of the Demon Hunters, Sango brings Kohaku to the grave of the villagers. However, she notices that Kohaku wasn't ready to come back and see the village yet. Myōga leads Inuyasha, Miroku, Shippō, and Kagome to Midoriko's Cave, where he's detected an anomaly. Kagome thinks about what she knows about Midoriko. Midoriko was a powerful priestess who lived long ago. During a battle with a demon created for several others, she fought for an entire week, However, she began weakening and risked being eaten.
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As a stalemate, she expelled her own soul with the demon, killing both and crystallizing their remains. Their souls emerged in the form of the Shikon jewel. Approaching Midoriko's remains, they see what appears to be a chrysalis within the hole in her chest. Miroku tries to approach for a closer look, but is stopped by a barrier. Inuyasha notes they should keep an eye on the cave; he detects a scent.
Elsewhere, to become stronger for avenging his comrades, Kōga seeks Goraishi - Lightning Claws - the strongest weapon of the wolf demon tribe. Ginta and Hakkaku advise him against what's going to basically be "graverobbing", but he doesn't listen to them; with the Goraishi, he can beat the hell out of Naraku and Mōryōmaru. As they run into the burial grounds, Ginta and Hakkaku become scared by all the skeletons of their ancestors lining the sides of the cavern.
Back in the Demon Slayer Village, Miroku, Kagome, Myōga and Shippō discuss Inuyasha's eagerness to guard the cave alone; Miroku noticed the barrier was not evil, but pure instead. Kagome begins to suspect Kikyō may up to something. Within the statue, the chrysalis opens and a soul collector hatches. Inuyasha follows it, realizing it was Kikyō's scent he detected earlier. Elsewhere, Kikyō is purifying herself under a waterfall and thinking back to when she was wounded at Mount Hakurei. Inuyasha arrives, and asks why she wants Midoriko's soul. Kikyō reveals that Kagome was unable to completely purify the miasma that Naraku used against her; the wound is reopening. Kikyō explains that Midoriko shares a similar death to her own, having been killed by a demon; she absorbs Midoriko's soul, but the strain of the absorption causes her to collapse. Inuyasha rushes to her, and sees the wound on her shoulder heal.
A glow surrounds the stone body of Midoriko; her beautiful face suddenly ages. Kagome suddenly looks up as Kohaku's jewel shard begins to glow; at the same time, Kōga feels his jewel shards react, feeling that his legs have become heavier. Kohaku rushes out of the hut, following some soul collectors, as the others hurry to follow him. They are blocked by a barrier and cannot follow Kohaku. Kikyō, apparently healed, gathers her bow and arrow; she asks Inuyasha about his fights with Naraku. Inuyasha explains that ever since Naraku rebuilt himself as Mount Hakurei, no matter how many times he's been torn apart, his body keeps regenerating. Kikyo explains this as Naraku having no true flesh since he is nothing more than a conglomeration of demons that latched onto Onigumo's vile soul. Thus Naraku cannot be killed by simplistic means as a sword.
