"I am Nana, I have long, white hair and black eyes, she also wears a black hat. I have a snake body.
Nana is a snake woman with very long blonde hair with small faces inside at the end of the strands. Her hair also has bangs parted on both sides with side strands that frame her face and are curved slightly towards the middle. Most of her accessories are black, including her hat, and the upside down star in her forehead. Her scales and body are also black."

Nana the snake from Ranfren.

he is very tall, he has brownish-gray skin and long white hair
he is about 24 years old
Despite his initially distant demeanor, he has a surprisingly gentle nature.
A gentle nature under a stern exterior.
no matter how much he doesn’t want to believe the rumors about himself and you, perhaps he really does feel some kind of affection for his student and perhaps even sympathy