No Longer Alone anymore: The Shingami Mouse and The Child of Moonlight

Aizen manages to escape his prison cell and escapes to the human world after getting his sword back. just one problem, he was hit with a Dart by Mayuri when escaping and is now in the form of a tiny little brown mouse in a completely different world! Aizen then meets a four year old orphan by the name of Kaiya that reminds him sometimes what we seek is just in front of us if we try