Catulus Syndrome  

Nekomusume Shoukougun, 猫娘症候群〈かとるすしんどろーむ〉

Shirakaba Yuki has Catulus syndrome, characterized by cat ears and a tail as well as feline behavior. During her high school entrance ceremony, Ayano Riko entered carrying numerous cats, attracting them due to her magnetic personality. Despite the unexpected nature of their meeting, they eventually formed a friendship.