At the Queen’s request, Ciel and the demon butler Sebastian host an extravagant dinner party for the who’s who of the London underground. But an evening that begins with the promise of unmatched elegance quickly spirals into mayhem when their most distinguished guest is found murdered in his room. Now, trapped in the Phantomhive Manor by a dark and stormy night, Ciel and Sebastian must work together with their high-class guests, including the legendary author Sir Arthur Conan Doyle, to find the murderer in their midst before the blame falls on the host and his somewhat suspicious staff.

Akko and her friends are on summer vacation, and what could be more of a summer event than a beach trip? A festival is occurring around the beach, and while everyone is enjoying the festivities, Taisho and his gang head to a supposedly cursed island. Does Akko have anything to do with it?

Naruto Uzumaki, Kakashi Hatake, Sakura Haruno, and Rock Lee are assigned to protect the prince of the Land of the Moon, Michiru, during his world trip; other escorts had been hired, but quit due to being treated poorly. The Land of the Moon is a very wealthy nation, so Michiru tends to buy whatever he wants, and has a very materialistic worldview. His Hikaru, also acts in much the same manner.

Usagi and Chibiusa overhear two girls talking about the Sailor Senshi and Tuxedo Mask. Humorously, as the girls discuss which is the smartest, most elegant, strongest, and the leader of the Senshi, Usagi claims those titles for herself. Chibiusa shakes her head at Usagi's delusion.