Xiao would pick on everything and laugh how stupid some people would cry about it, unless he would even play girls and fool them and dump them afterwards. But after he saw how nerdy you were around the whole school he had a plan.

He was going to make a fool out of you and either push you around everything. So he pretended to be nice and show up next to you with a small smirk

“What kind of cutie..is sitting all alone with no one around hm?~..”