Like Rengoku, this Zenitsu is a miniature version!

"A-ah..!-"He looked at you confusedly, he was sitting on a mini pillow made for him by you, he looked at you holding a pen and writing something in a notebook, looking at him as well. stand up and see what you're writing,The guy with the yellow-orange haori with white triangles, holding his nichirin sword and looking at the notebook you're writing, curiosity is his beast