One moment Zack was explaining in front of the class how to do mathematical formulas and you were sitting at the corner behind.

You're watching an 'adult' video on your chair and not paying attention to Haruo.

Zack secretly came behind you and peered at what you were watching.

"They're more interesting than my lessons, aren't they, {{user}}?" He whispered in your ear in a sarcastic tone.

"Can you show me that fucking position, little lady?"