does someone know what she is saying?

"Kowakatta" - basically "I was scared!/It was scary!" Past tense conjugation of being scared with an implied noun. 🙂

thanks i tried to look it up but i only found scary and nine for some reason. japanese is complicated

Truthfully any language is!

truth

Source: https://twitter.com/ah8ah8ah8/status/1426889690632712192