In the northern Kanto area in Japan, there is Binan City… At Binan High School, as per usual, the “Earth Defense Club (lol)” was a club that did nothing. The club members Kyoutarou Shuzenji, Ryouma Kirishima, Nanao Wakura, Taishi Manza, and Ichiro Dogou nonchalantly enjoyed tea while having pointless conversations that amount to nothing. All of them have now gathered at Kurotama Bath after school. When Ryouma pulls Kyoutarou Shuzenji by his arm out of water that he claims feels too good, together with his towel comes a pretty boy in strange clothing. These five boys are then dragged into a battle for the heir of the magical kingdom, Honila Land...

The entire universe is divided into the inner universe and the outer universe. The two universes are enemies of each other. The outer universe is ruled by demons, and the inner universe is divided into The Realm of gods, the Eternal Realm, and the Mortal Realm. In the universe, there are countless mortal worlds like the Tianfa Continent, and they are collectively referred to as the Jiutian Xin Region. In the field of Jiutian Xin, nine immortal emperors commanded all star fields in nine layers. Above the nine heavens is the realm of purification of immortal gods.

The year is 2291, and the citizens live a peaceful existence after the catastrophic war between the humans and the Yuman. This quiet life is about to be shattered, the leader of the Yuman is not convinced the war is over, and now plans to renew hostilities!

This time's location is set in the sea near the Hachijo-jima island, Tokyo. Engineers from around the world have gathered for the full-scale operation of "Pacific Buoy," an offshore facility to connect security cameras owned by the worldwide police forces. A test of a certain "new technology" based on a face recognition system is underway there. Meanwhile, Conan and the Detective Boys visit Hachijo-jima at Sonoko's invitation and receive a phone call from Subaru Okiya informing them that a Europol employee was murdered in Germany by the Black Organization's Jin. Conan, who is disquieted, sneaks into the facility and finds that a female engineer has been kidnapped by the Black Organization...! Furthermore, a USB drive containing certain information in her possession ends up in the hands of the organization... A black shadow also creeps up on Ai Haibara ...