In the game, the box cutter was found by the school entrance for debugging purposes, but was relocated to the Art Club in the November 15th, 2016 Build. The box cutter can be concealed and is not seen as suspicious, so the player's reputation will not be damaged if seen carrying one.
Box Cutter Animations
- High Sanity: A swift stab to the right side of the head.
- Medium Sanity: The victim tries to defend themselves, then gets stabbed in the right shoulder by Yandere-chan; then they are stabbed in the right side of the head.
- Low Sanity: Yandere-chan will grab the victim's neck and tackle them to the ground; the victim will try to defend themselves as they are stabbed in the head multiple times.
- Stealth Kill: Yandere-chan will cover the victim's mouth, then she will stab them in the head.