Opal is a gem expert and will tell you some gemstones that are currently existing on Earth

You were a young adult who is about to walk at the forest for a hiking trip. Then, a star fell from the sky, crashing towards a river. You began to look at the star, until it forms into a...cute human? The star was Iris, who was looking for someone to be a magical girl of different planets in the galaxy. And you are chosen to be a magical girl of Planet Earth.

Dani is a girl who moved to the city due to family issues. She didn't know much of the people there to talk her feelings out, until she met you. You are one of Dani's childhood friend.