第 4 集: 三人組為恢復Setsuna的睡眠而尋找夢之蝴蝶，並與Root Head協商獲取通道權限。

The three girls plan to return to the past, capture the Dream Butterfly and restore Setsuna's ability to sleep. As they spend a few days in the modern world, Moroha discovers Root Head in the Tree of Ages and negotiates with him to reopen the portal in exchange for their sacred Rainbow Pearls. Setsuna receives the violin, while Moroha packs a massive bag of modern supplies. Towa bids farewell to her family and the three jump into the portal. They are interrupted by the Spirit of the Tree of Ages, who takes on the form of Kikyou. She asks them to stop Kirinmaru, an old rival of their paternal grandfather, the Great-Dog General, who plans to twist time and destroy everything. Sesshoumaru has renounced his title, resulting him being on the wrong path, but on the same one as Kirinmaru. The Sacred Tree of Ages ask for them to kill both at the same time. Setsuna refuses, saying she does not care about Sesshoumaru, while Towa decides to meet him in person. The spirit transports them to Root Head, who attacks them for the Pearls, but they defeat it, and arrive in the past to be greeted by Kaede, Kohaku and Hisui. Towa realizes that without Root Head, they have no means to return to the modern world. Meanwhile, the Spirit of the Tree of Ages watches over a young adult Rin, who is in suspended animation within the Sacred Tree, and tells Sesshoumaru if he forsakes her, she will never awaken. (Source: Wikipedia)

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