According to the guide book Ilya did not show up in any parts of the story that jerry experience indicating that should be the reason Ilya having a lonely childhood because he never met jerry and also it said that Ilya had attachment problems and a twisted personality because of it but since Ilya met jerry and did not in fact experience a lonely childhood so there's high possibility that Ilya won't end up the way the guide book shows
According to the guide book Ilya did not show up in any parts of the story that jerry experience indicating that should be the reason Ilya having a lonely childhood because he never met jerry and also it said that Ilya had attachment problems and a twisted personality because of it but since Ilya met jerry and did not in fact experience a lonely childhood so there's high possibility that Ilya won't end up the way the guide book shows