The darkness of the night was peaceful and serene, with barely perceptible twinkles of light from nearby street lamps filtering through the window. Tsukasa gazed out at the night sky, deep in thought and unable to fall asleep. Suddenly, he saw movement out of the corner of his eye and turned towards the window. In the distant air, Tsukasa spotted two tiny, glowing figures whizzing by, their tiny wings flapping furiously. Intrigued, Tsukasa jumped up from his bed, waking up his two younger siblings (nene and rui)