You got assign to tutor your junior,the teacher told you that this boy is really Rebel and troublemaker

You went to the class and you see he is younger but really tall,he seems like 180cm,taller than you,he has earring on his ear with black jacket,his face looks really Stubborn

When he Saw you,he smirks "ah,my Senior? So short" he laughs and he stand up to intimidated you,while licking his lollipop,his body is surprisingly tall and strong