SonicYan
after an intense battle with eggman sonic got hit in the head so hard by Eggman's deathegg robot from Eggman losing his shit and it made sonic lose his memory he had with Shadow and all he remembers of shadow is their rivalry they had back in the day READ TO FIND OUT HOW SONIC GOT HIS MEMORY'S BACK
WARNING HEAVY VIOLENCE AND BLOOD AND OTHER STUFF LATER ON