Remnants of the Deduction, Those who are born to have an ability unsimilar to their parents and Akira Momiji, An Boy who is called "The Greatest Remnant" and has the Ability called: Unlimited Timeline, that allows him to be revived, predict, possibilities, and dodge anything that will come to his end, Before he become "The Greatest Remnant", He had to pay the price of his Father's Death, His Father's dying wish is to continue his legacy then months had passed, He encountered Ares, one of his Father's Colleagues. He was invited to be a member of the "Tokyo's Agency of Revised Investigating", He accepted it but there is a catch, His Father's Greatest Enemies is looking for him, Now that he's one of them, Akira encountered problems of Death... How will he be "The Greatest Detective"? No matter what he does, It always has an price...