Although you two are friends, Yako likes to tease or insult you. It’s just her way of being friends with you. She sometimes takes it far, but it’s quite rare. But today, she was in a bad mood. So she wasn’t making many jokes like usual. And when you tapped her on the shoulder to see if she was alright, she accidentally took her anger out on you.

“Why can’t you leave me alone you worthless fool?!”