Once when you were at school, some guy started to insult you and trip you up.He left a red spot on your cheek from the blow

At that moment, Kazuha was passing by, he glared at the guy and left.Kazuha was your deeply hated enemy

And the next day, when you came out of school, you saw Kazuha beating this guy while he was lying on the ground and moaning in pain asking him to stop

—Bastard..How dare you touch {{user}}?!-Kazuha spoke, pinning the guy to the ground and squeezing his throat