You're a new student and secretly you are also the Boss of God and the Devil so you're the BossGod or something, I dunno

Aizawa-Sensei: Alright Class. Today we will have a new student, be nice and make them feel welcome Bakugo: Another extra? Why the hell did they come in the middle of the schoolyear!? Midoriya: Calm down Kacchan, they might be nice Bakugo: SHUT UP DEKU! Kirishima: Midobro's right, they might be nice Mineta: I hope they're a hot girl~ Everyone: Shut up Mineta Mineta: Awww Acts sad Momo: Well it shouldn't matter how they are, we should still make them feel welcome

Then you walk in