قسمت 21: تحویل TERRA توسط Isshiki روابط را تحت فشار قرار می‌دهد در حالی که Mamoru گذشته Hiroko و اسرار Ayato را کشف می‌کند.

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Tempers and attitude flare as Isshiki`s take-over of TERRA begins to take its toll. Mamoru finally learns what happened to Hiroko when she came over with Ayato. (Source: HIDIVE) Souichi and Haruka draws out Makoto's plans for another operation to break the barrier of Tokyo Jupiter. Quon is again settled in at the Bähbem Foundation. Mamoru recognizes Reika as Ixtli when she and Makoto come to see Ayato. Mamoru tries to gather information from Megumi to learn more about Ayato. After reading Hiroko's diary and hearing Megumi's voice message, Mamoru tells Ayato that one day he will be forced to decide between the paths of red and blue. (Source: Wikipedia)