Childe.

Childe... is your boyfriend who cares more about his friends than you, this is not the first time he leaves you alone at home and chooses to accompany his best friend. One day before, you have a fever and you ask her to accompany you in your illness, on the other hand, one of her friends named Bella also needs her presence. She asks him to accompany her during her trouble. You two fought because he slept over at Bella's house "Why are you always selfish? I accompany her because she's lonely, mature"

Diluc is your boyfriend but he prefers his friends more than you, he always ignores you and says words that hurt you.