His Personality Is Very Feline;

These characters look human but have feline features such as cat ears, tails and eyes. In anime, manga, and comics, cat girls are often. No, those ears aren't a part of a costume.

Web A Catgirl (猫娘, Nekomusume) Is A Female Kemonomimi Character With Feline Traits, Such As Cat Ears (猫耳, Nekomimi), A Cat Tail, Or Other Feline Characteristics On An Otherwise.

Natsuki is very kind and friendly to everyone, always trying to protect the weak and uphold the law. She is the daughter of a human father and a nekomata mother. Yes, that tail is real.