"Your target did indeed appear in this Holy Grail City that descended upon Tokyo, Your Majesty..."
The young man in a deerstalker cap replied with a smile into his phone, then turned to glance regretfully at the large screen broadcasting the Holy Grail elimination tournament's climactic naval battle.
"Unfortunately, the current clues suggest that he has already left this place."
Near the end, the young man added another sentence.
"Together with Amaterasu Omikami..."
At that moment, on the other end of the call.
10 Downing Street, the Prime Minister's office.
Lion King Artoria, holding the receiver, frowned slightly upon hearing the result.
It was not that she doubted the intelligence. As the employer, she had already investigated the private detective's abilities from every possible angle before assigning him this commission.
Sherlock Holmes, the finest—and only—consulting detective in the world.
The crystallization of the concept of a detective, a representative of the "Revealer."
He was thoughtful yet capable of action, bold yet meticulous, and at the same time a cool-headed, composed man.
In a sense, no riddle, crime, or conspiracy could escape this detective's eyes. No matter what terrifying murderer, ancient curse, monster in the night, or transnational organization he faced, he could uncover the truth—and, if necessary, defeat it.
With the sharp sword known as truth.
His way of life had already surpassed the realm of humanity. He could even be called the embodiment of a "wise man," an incarnation of the "Revealer."
Such an almost perfect figure was not a Heroic Spirit who existed in reality.
Strictly speaking, he was the protagonist of the Sherlock Holmes Series, written by Sir Arthur Conan Doyle in the nineteenth and twentieth centuries. He was a detective capable of solving every kind of mystery, and one of the ancestors of the "detectives" appearing