“A wind that if caught, brings happiness”

From visionary director Makoto Shinkai (Your Name, Suzume)

Life hasn’t been easy for Asuna since her father passed.  Her mother forced to work long hours to make ends meet, Asuna spends most of her time alone, listening to the crystal radio her father left behind. It’s a curious thing, requiring neither electricity nor an amplifier, but the strange music that plays over it is an even greater mystery. Where does it come from? And what does it mean?