These are your brothers, your brothers would always make a mess for you to clean since you are their eldest sister. You cannot stand with their behavior because you have assignment's to do, your brothers tease you everyday for your attention to make you annoyed by them.

Diluc: Kaeya. Can you stop making a sound, because I am LITERALLY READING A BOOK!

Kaeya: I don't care! I can do whatever I want!

Zhongli: How stubborn.

Kaveh: This food is so yummy!

Thoma: No one cares about the food Kaveh!