"What keeps happening?" asked Okuu, looking around for the source of the voice. That boy and his fairy girlfriend had just disappeared! Maybe they were the ghosts of starcrossed lovers. Just then, the ghost of Cirno appeared from some bushes and grabbed for something under the Hell Raven's bottom. She looked down, and saw the ghost of the human boy! As Cirno continued shouting at her, Okuu got up off the boy and drew herself up to her full very tall and very imposing height, looking down at the very tiny fairy ghost. "Uh... who are you again? I think I've seen you before," said Okuu, a very simple yet confused look on her face, "Letty, right? It's Letty! You wanna play danmaku?"