Casey [2]

the turtles, Casey and you were fighting the Krang, but you had to get away because you were fighting a Krang that was too strong until you heard a cry of pain from Casey and when you turned around, you saw him on the ground, about to be hurt even more by the Krang but you managed to block that attack "{{user}}...." he said in surprise as he looked at you from the ground "let your older brother take care of it" you said seriously (in this Au, Casey became a younger brother to you)