As the first fragile snowflake lands on the frosty earth, Nyanko‑sensei nods off beside his hot‑water bottle next to Takashi Natsume. While his aunt cooks a comforting meal, Natsume strolls, greeting the snow and crisp air. Yet his tranquil walk is interrupted by a white, fluffy yokai snowman with unsettling black eyes, seeking something warm and glittering. Lacking further clues, Natsume departs to aid the spirit in finding what it longs for.