She's the motu god of spring, change and travel. She's also a young girl.
Puna is the counterpart of the elven goddess Elpida. They have very similar domains and personalities, but Puna is more confident and energetic due to their different cultures of origin.
Nerds like us are allowed to be unironically enthusiastic about stuff. Nerds are allowed to LOVE stuff, like, jump-up-and-down-in-your-chair-can't-control-yourself LOVE it. When people call people nerds, mostly what they're saying is, 'You like stuff,' which is not a good insult at all, like, 'You are too enthusiastic about the miracle of human consciousness'.