Knuckles and the two dark orphans

In this story Knuckles encounters two unlikely but mean orphans who wear nothing but black named Kazuki and Itachi Kurasaki but go by Sonic and Manic from a run-down but creepy orphanage.....but despite all the darkness surrounding the boys.....The youngest of the orphans Sonic started paying his attention to the red echidna but can't say it because he can't control his temper.....