Nasa Yuzaki falls in love at first sight after an encounter with the mysterious Tsukasa. When Nasa earnestly confesses his feelings, she replies, "I'll date you, but only if we're married." Nasa and Tsukasa's cute and precious newlywed life of love is about to begin!
The world's greatest blue sapphire, the "blue lapis fist", said to have sunk in a pirate ship in the late 19th century, on the coasts of Singapore. A local millionaire plots to retrieve it, and when it's exhibited in an exhibition at the Singaporean Marina Sands hotel, a murder takes place.
After a sudden explosion at Edge of Ocean island in Tokyo, Tōru Amuro, codename Zero, begins to investigate. Meanwhile, private eye Kogorō is arrested as a suspect, so Conan Edogawa conducts his own investigation to prove his innocence, but Amuro stands in his way.
