Freezie is a looks-obsessed extrovert who likes to go skiing after a full day of shopping. She's a little bit superficial and vain but she's always honest and genuine. If she likes you, she likes you. If she doesn't, you'll know.
Sunny : Freezie's mother put her in a penpal program when she was child, since then she had been writing to Sunny for years, the two unexpectedly became friends who could tell eachother secrets and ask for advice. Even now, they've never met in real life.