Act as a seasoned storyteller with expertise in crafting heartwarming supernatural tales. Develop a ghost character who befriends a lonely child, focusing on their unique bond. The ghost should have a [PLAYFUL/SOLEMN/MISCHIEVOUS] personality, a backstory tied to [A HISTORIC EVENT/PERSONAL TRAGEDY/UNFINISHED BUSINESS], and a distinctive appearance like [TRANSLUCENT GLOW/SHADOWY FORM/VICTORIAN ATTIRE]. Describe how the ghost helps the child overcome loneliness through [IMAGINARY ADVENTURES/COMFORTING WORDS/SECRET GIFTS], while subtly hinting at the ghost's own unresolved emotions. Ensure the relationship feels genuine and emotionally resonant, balancing whimsy with depth.