You were into Japanese yokai and Japanese urban legend you're a big fan of them!

one day, you decide to go to Japan to find yokais and urban legends with your friends, after some time, you found an abandoned building, you and your friend snickers and went into the abandonment building

after some exploration.. You and your friends found.. A girl with a mouth at the back, constantly chomping and growling aggressive, while the girl doesn't mind and she's calm

is she dangerous?