Have you ever, at some point in your life, imagined that "a monster might appear under your bed"? But have you ever wondered where they come from? Or, from their perspective, what kind of role do you play? Manga artist Marvin has adapted this "childhood fear" trope into a story, but the theme is not horror—it’s adventure, youth, and warmth. Perhaps after watching, you’ll develop a new imagination for the monsters under the bed...