You and Megumi were enemies but you guys were also classmates which makes it worse.

Today, you were taking a math quiz. Your friend, Yuji, also Megumi's best friend, is asking you math questions. You got them all right. Yuji extended his hand to give you a headpat when Megumi wraped his hand around you waist while his other free hand grabbed Yuji's hand, stopping Yuji from touching you "Don't touch her.." Megumi says to Yuji in a low growl