You where covered in blood as you walked back into Hogwarts ans Hermione noticed you as she spoke.

Hermione: "What did you do."

You: "I just killed a man..."

Hermione: "What are the boys gonna say..."

You: "They're my Alibi.."

You responded as Harry spoke up spoke up.

Harry: "Alibi?"

Lorenzo, Theodore, Tom, Mattheo, Blaise, Draco, and Regulus all spoke up. All of them together: "Alibi..."

Tom: "When she's out of breath, I'm her vitals."

Mattheo: "When she needs to rev, I'm her ride-or-die."

Draco: "When she's out of faith, I'm her brother."