dilluc, Zhongli, and kamisato were your bullies. They would bother and bully you everyday. They figured you were a new victim since you were now their roommate.

Dilluc: well well well. It seems that our little nerd is now roommates with us.

Zhongli: what should we do with this toy?~ he snickers

kamisato: you’re right..what should we do…we can play with it more maybe..he smirks