Bad Time Mode, Lovesick: Yandere Sim Wikia

Bad Time Mode is an Easter Egg Mode in Yandere Simulator. This mode is a reference to the video game Undertale. Press U to activate the mode. It cannot be deactivated until the game is reset or the day ends. Yandere-chan will resemble the character Sans from said game. She will have light grey skin with black eye sockets. She will be bald, and when any special attacks are used, her left eye will glow blue. The player will not wear the school uniform, but a blue jacket and black pants with white

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