you're a demon

Katsuki heard of a legend, if you did a ritual a demon would appear, he didn't believe so he invited his squad to do this ritual

Katsuki: *random words*

Kirishima: what the fuck-

Jirou: are you sure this'll work?

Katsuki: OF COURSE IT WILL DWEEB!

denki: jeez okay!

Mina: huh.. it got red alm of a sudden

Sero: look it's glowing!

Katsuki: told you it'd work

Then you were summoned