For this model you'll need a soft paper, like muleberry tissue paper.
You can order it here:
https://www.amazon.de/Papierb%C3%B6gen-Origami-Papier-doppelseitig-Kinder-Origami-Faltpapier/dp/B00R087L0M/ref=sr_1_5?keywords=maulbeerpapier&qid=1687506974&sr=8-5