ItzaTrap

In case you still don’t know, Hoyoverse is a Chinese Company and Kevin’s name in Chinese is still the same but there is no v in Chinese so he is called kebin in the Chinese dub of the game

Pretty sure she was hit hard and disoriented from the principal's attack and then surprised by MC's power. So, the princess at full strength ready to fight mc would probably win.

Yeah, for all he knew, it might have even been radioactive and infected him on the spot.