As Christmas approaches, the city is lively, and children are disappearing one after another. On his way to GeGeGe Forest, Souma meets Mana, but in the briefest of moments, Hiroto disappears. The two go looking for him and spot an eerie Santa and, beside him, a mummified Hiroto! They try to escape, but Souma ends up in Santa`s hands. Kitaro narrowly manages to save Mana, but Santa is taken by the police. Kitaro and Cat-gril follow Santa to the police station while Mana heads home alone. But a strange shadow closes in on Mana...!