This is a re-casted character from a previous episode of Erased Abridged. Here is a Sample of Child Satoru's original voice actor, it would be appreciated if your audition could attempt to mimic the actor, don't worry if you can't, we still welcome your audition: Child Satoru Voice Sample. 

This character is the young version of the show's main protagonist, Satoru Fujinuma. He is confident and full of determination, even when things seem  darkest.This is a minor role with about 18 lines.