Sierpinski Simon, also known as Origami Yume Nikki, is the creator of the spin-off fangames SpeluNikki and OMORI x Yume Nikki Crossover Fangame.
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Sierpinski Simon, also known as Origami Yume Nikki, is the creator of the spin-off fangames SpeluNikki and OMORI x Yume Nikki Crossover Fangame.