Kohaku's Decision and Sango's Heart.While InuYasha, Kagome, and Shippo encounter Hakudoshi at the special tree, Miroku and Sango come face to face with Kohaku at the shrine box. Hakudoshi places slug demons along the tree to prevent the rat demons from being purified. He makes his escape, as he warns that bad will come to worse if Kikyo does not reveal herself. As the rat demons make their back to the shrine box, they surround Sango and Kohaku. Kikyo shoots a Sacred Arrow into the shrine box, annihilating all the rat demons. Sango develops mixed feelings for when she protected Kohaku from the rat demons.