God Gasai confronts her younger self. But the younger Gasai is still innocent, and hopes that her mother will recover from her depression. She has not yet given in to despair.
God Gasai hesitates just long enough for young Gasai's parents to arrive and protect her.
Amano rejects the false world and breaks free to confront Gasai. He tells her to kill him so she can be the God of the second world. But she can't do it and kills herself instead, leaving Amano the winner.
Well, "winner".