Au Shinichi kudo is a real child genius however his life was changed when the Black Organization gained an interest in him when he was four years old.

As an Angel of Death, Shinichi has walked the earth for centuries without taking any interest in the mortal world. Until the spontaneous decision of saving a child's life changes everything. Kaito x Shinichi

In which there is a late night (or an early morning), a train, copious amounts of flirting, a phone, a name, and a stolen heart... Kaito/Shinichi, posted also on AO3 here: /works/11521059

The Black Organization has been taken down, but Haibara has yet to find an antidote. Conan will never give up the fight to get back his former life, but the answer comes in a form none ever expected. All legends have a grain of truth. KaiShin

Kaito decides to conduct an experiment on his unsuspecting detective. KaiShin

An ancient, forgotten tablet, carrying the writing of Pandora, found in a sealed off, dusty room, leading to an abandoned cave. What could possibly go wrong? KaiShin/ShinKai. Sequel to OFAW. (Summary of OFAW inside)

When one of Kaitou Kid's targets does a lot more than look pretty, Kid and newly-returned Shinichi find themselves facing a dark reality where they don't exist...and the Organization has seeped into everything. ::KaiShin, AU::