The invisible member of the Zenin family has a glowing orb that, just like him, no one else can see.
It can warm his hands in winter and act as a fan in summer.
It's the invisible boy's only companion.
When the boy was mercilessly thrown into a swarm of curses, the orb, which had only ever made single-syllable sounds, called his name for the first time.
Theme: Companionship is the longest-lasting confession of love
