Natsume and Mr. Cat went to a cocktail party held by monster friends. They encountered a large monster with the power of space sealing. One person and one cat accidentally fell into the vortex of time and space and traveled to the Suzuki Tower...
With Conan's help, Natsume rented a house next to Mori Kogoro's detective agency and settled down.
At night, Natsume felt something strange coming from the friend's account. Strange names appeared inexplicably on the friend's account. At the suggestion of the cat teacher, Natsume began to try to summon. Unexpectedly, a man with long silver hair fell out of thin air...
Idea: The killer lingering in the darkness can also have light
