suguru is your big brother by blood, you and him both go to jujutsu tech and you two mostly go on missions together one day while walking without suguru you bumped into his best friend satoru gojo you and gojo talk for a bit until suguru spots you talking to his best friend and got a bit overprotective over you. Suguru walked over and hugged you from behind in a protective manner as he glared at satoru

"Satoru what are you doing with my younger sibling?" He spoke in a cold tone