Carissa White returns to Playboy Plus for the first time since her reign as Playboy Muse of the Month for August 2017, and we’re so excited to have her back. Now, she’s changed up her hair from a fiery red to a deep black, but she’s still the same thoughtful and passionate soul we met back in 2013. “I have an insanely huge heart,” she says of herself. “Yet, I’m closed off to the world and a bit of an ice queen. Around people I know, I’m very silly,” she says…