Witness-chan

Witness-chan was one of the female students in the game.

Appearance
Witness-chan wore the default female school uniform.

Witness-chan wore her red-colored hair in two long pigtails, her eyes were also red.

She first appeared in How to get away with murder in Yandere Simulator video. In the video, she witnesses Yandere-chan killing Victim-chan. She then runs out of the school and calls the police. Later on in the video, Yandere-chan kills her in order to prevent doing certain witness actions depending on her personality, and leaves her corpse, along with her weapon and uniform lying around on school grounds in order to be used as incriminating evidence to the police. This causes Yandere-Chan to be arrested by the police due to the murder she committed and then leaving the evidence lying around. 

Personality
Witness-chan was a member of the "Gardening Club" (null value) group and had the coward persona.

She had a different routine from all the other students, being placed so she would be able to see Victim-chan's death. Her routine was basically stand where she witnessed Victim-chan being murdered, and going to class.

Removal
Along with Victim-chan, Witness-chan was fully removed from the game because of unknown reasons. They were last seen in the April 3rd update video. While not being able to find both of them in the game, their existence can be proven by looking at the JSON file,where its possible to find leftovers of them.

Trivia

 * Witness-chan's hairstyle resembles Saki Miyu's, whilst her eye and hair color resemble Yui Rio's.
 * Similarly, Victim-chan's hairstyle resembles Koharu Hinata, whilst her eye and hair color resemble Yuna Hina's.