Hoshi to Umi no Märchen

Float in the sea and gaze up at the stars. Surely, there are stories there you've never known! Aren't you curious about the unseen faces of the sky and the hidden secrets of the sea? A seamstress stitching constellations, an angel who becomes your *oshi* (idol), and mermaids who fall in love with humans. Quietly, their lives intertwine with ours, always present yet unseen. (Source: Kadokawa, translated)