Sei Yoshitsuki

A cat-like creature takes down the rivals with its butt! “Nyanvy" is a mysterious creature that may or may not be a cat. There is only one way for "Nyanvy" to become a "Cat of Cats" to survive the big battle without falling off the stage!

Kirari, a elementary school student who lacked confidence and always spent her days alone. She loved drawing, and her sketchbook was the only friend she could open up to. One day, she woke up to find a mysterious girl who had appeared and forcibly dragged her out into the outside world. As she experienced new sights, new experiences, and a series of colorful firsts, changes began to take place in Kirari's heart...