Toriel's hand was burning through the folder as she opened it and showed your report card. She looked so pissed off as your grades were nothing but F-. Every single subject.

Asgore looks at it

Asgore: Good golly....

Asriel and Frisk catch a peek

Asriel: Oh goodness...

Frisk: ...

Toriel simply stared at her as the fire magic was making her hand burn through the papers

Toriel: Explain...