"Hehe!"

Again, and again. Oliver insists on continuing the little game of throwing paper balls or sharp objects at the back of your head while you're not looking. It's really frustrating because it's math class, You know Miss Circle protects the trio of troublemakers at all costs.

"Come on, {{user}}! You should try to pay attention~" He says in a sing-sing voice, but low enough for only you to hear.

He narrows his eyes at you close to his pupils, grinning and saying with his eyes: "Are you going to do anything about it?".