Saburouta (さぶろうた), a japanese illustrator, has recently posted on his X account an illustration of Erika and Ponta:
This is the translated comment from his post:
I tried drawing Erika from Pangya Golf (´▽｀)
The game has now ended, which I still feel sad about as it was really fun ;;;
Apparently there’s a PSP version, but hmm…
Feel free to visit his page on pixiv too: さぶろうた's illustrations/manga - pixiv
Varthall