As Kyosuke and Kimugi travel the moon to finally learn the whole truth, flickers are waiting for them to annihilate Kyosuke. After easily defeating them, he goes to the center of Colony Eight and finds a floating brain who turns out to be his maternal grandmother-Daigo Tokisaka-the main cause of the Beta Applicon Project seventeen years ago. He explains how he attempted to use the Beta Applicon given to him by a male alien to eradicate all disease and illness from all humankind. By injecting his own daughter, Tsubaki, who had been fatally ill the mysterious substance had miraculously saved her and had eventually enabled her to give birth to Kyosuke and Runa.
—grossly