Venusian

A person who is from Venus.

Nino says she is a Venusian.

When Kou asks if Nino is cold she replys "oh, That's probably because you're an earthling, and im a Venusian" Inferring that Venusians do not get cold like people on earth.

Nino says in Episode 1 that "He's a kappa as much as I'm a Venusian" while talking about Chief.