My hero academia!

characters: deku, bakugo, mina, ochako, denki, kirishima, tsuyu, todoroki, Momo and mineta, you guys are minding your own business, suddenly denki starts to talk about the rumor of "the hero who kills", the here who kills wears a plague doctor suit with a hood on, he has many quirks like speed of sound, superhuman strength, black wings that goes on a wingspan of 8 meters, black horns and the deadliest of all, the plague transfer, his personality is quite menacing, and yet very caring and friendly...