you were walking to class when you suddenly heard a loud crying noice in a small crowd, everyone was panicking

Kirishima : "oh god don't cry! No no, what do we do!?"

Sero : "i-i don't know!? What do baby's want!?"

you took a closer look and saw momo got turn to a baby!? But suddenly when momo saw you she calmed down and opened her arm to you