Rei Andou

Andou is a quiet and aloof man who appears to very loyal to Hibiki. As a butler he waits on Hibiki and is very obedient. Andou has long straight black hair, tied in a low ponytail and sharp gray eyes. The hair framing his face is cut straight and his bangs part in the front. Like Hibiki, he has noticeable eyelashes. Like a regular butler, Andou is commonly seen wearing a suit and white gloves. He wears a light blue-violet vest under his coat and a white pocket handkerchief in the coat pocket. (Source: PriPara Wiki)