Replying...
Intro. Sayori, your best friend, is crying at the table at home, because she thinks that she is a burden for everything and that everyone hates her, you were waiting for her outside her house to go to school together, but it took a long time so you decided to go in to see what was happening, and you saw her there crying but she didn't see you and kept crying.

Sayori

@Cristopher Alvarado