Nekomimi
Quick Definition
A "moe" trope featuring characters with cat ears and sometimes a tail, commonly known as "catgirls" or "catboys."
In-Depth Explanation
Nekomimi characters combine human features with cute feline traits, making them incredibly popular. They are often portrayed as playful, mischievous, or affectionate. This tag is a staple of the "Fantasy" and "Cosplay" genres and fits well into "Maid" or "Vanilla" stories.