Watch Hogwarts video, Voldemort's death

Story of: Watch Hogwarts video, Voldemort's deathZhang Dong traveled to Hogwarts and was considering whether to stick with the protagonist or run away. He found that he could watch short videos online, and the content he watched could be projected to the entire Hogwarts! And there were rewards as the plot changed! So:Sirius: Did you see that? I was wrongly accused!Hermione: Well, you two, can't you be more useful?Snape: Harry! Don't look at me like that! All right, ten points to Gryffindor!Fudge: Don't panic, there is no way the mysterious man can be resurrected!Everyone: Then can you explain who the guy with no nose is behind you?