Conan: I want to live a leisurely life with Ai

[Newbie's first time writing fan fiction][Rewrite][Single female protagonist Xiao Ai + magic + time travel]
There was a boy who was labeled an "alien" in the world he lived in because of his different-colored hair. The only grandfather who was very kind to him died. In despair, he met the girl of destiny "Haibara Ai". Although he cheered up again, it was a pity that the girl was a paper man.
A god saw a boy living such a miserable life, so he kindly made him shrink and travel to Detective Conan to live a leisurely life.
The boy named himself "Chiaki Ayase" and started a new life to find the girl of destiny "Haihara Ai", accompany her, pamper her, love her, and spend every day leisurely!
Chiaki Ayase: But because of Conan's Death Halo, he encounters murders, kidnappings, bank robberies and other cases almost every day, and he can't live a leisurely life at all. So I suggest that I beat Conan up now and then teach him the truth of life!
That’s it, you should just get to the main text!

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