Third of the Fear Series. Fear of change.

Another PyroBee "fear story". Iridophobia is the fear of rainbows.

Just a bit of a prompt-based, one-shot. The ship is PyroBee (Pyropuncher and Millbeeful). The prompt used is, "Imagine that Person A of your OTP is afraid of the dark, forcing Person B to calm them down when it's time to sleep." Achluophobia is fear of the dark (according to Google.).