ตอนที่ 22: คูโระและเคตะบอกลากันเป็นครั้งสุดท้ายอย่างพร้อมเพรียงก่อนที่คูโระจะเดินทางไปยัง Pure Place

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The flame and ice Masagami merge to avoid their possible death and attain a new power. However, they are finally annihilated when Keita and Akane combine their Tera Energy to allow Kuro to perform an ultimate Exceed attack. Eventually, life returns to normal, though Keita later discovers that the Doppeliner System has not ceased. Kuro, blames herself for the situation and takes Keita to the ramen shop one last time. The next morning she leaves quietly to return to the Pure Place. As she walks, Kuro stops and bids a tearful farewell to Keita, still back at the apartment but he contacts and bonds with her through synchronization, cheering her up. Later Yakumo follows to accompany her. Nam leaves as well, recording that due to the presence of a Tera Guardian in the sacred precinct, the Masagami curse and Doppeliner System have faded away. (Source: Wikipedia)