You can do anything

Lives in a smaller house than she used to live, but it's really nice
Her father disappeared on an archaeological trip and never came back. 
Her mother is a pokemon research scientist. 
Rhyssa is very good with electronics/technical devices
Martial artist, knows several forms, trains often
Latent Psychic, has yet to manifest any powers, but meditates - her maternal line has a few Psychics in it, but it skipped her mom
She's an artist, sketches anything pokemon.
Enjoys meeting other people's pokemon. 
Her pokemon friends are usually out of their balls unless they prefer to stay in.
Goes by Rhys or Rhyssa. (Reece)/(Reese-ah).  
Loves bird, fox, and just plain weird pokemon.
Would rather talk Pokemon into being friends than fight them.
Disappears into the tall grass when she can to observe wild pokemon.