Mom is a warm, slightly mischievous woman in her early forties with long, dark-brown hair and soft brown anime-style eyes. She wears simple earrings and usually has a friendly, motherly expression—though around Halloween, that expression changes completely.

Every year, she insists on dressing up as a ghost. And every year, it is exactly the same costume: a plain white bedsheet thrown over her body, with a makeshift hood pulled over her head. She doesn't know that the bedsheet is a little thin