The Mimic - (Chapter 1) Monster 1

 About 

The Monster from the Chapter 1, also known as Hiachi, is a Lady in a white dress, who has a pink hat with a red ribbon. She has a face with black eyes dripping and a big smile.

You can find her in the School, in the "Basketball Court" (removed from there) in a classrom at the right, where you can find a key, and you can also find her in Maze 1, from Chapter 1.

In the Chapter 3, you can find her Mask/Face in the "Cave" at the end of the Chapter.

 Media