Aster

Aster is a Pokemon Trainer who is currently traveling alongside Matthew in the Ultra Path series.

Pre-series
Not much is known about Aster.

Ultra Path series
Aster made her debut in Schooled!, when she witnessed the Furforu thief stealing food in the city.

In The Girl in the Woods!, Aster was watching Matthew and Haru talking when she and Vui approached them by scaring them. Afterwards, she challenged the both of them to a battle. But she wanted to battle Haru fist because he was timid. Aster and Haru battled but the battle quickly ended after she tried to use Extreme Eeveeboost and failed. She explains to Matthew and Haru that she needs permission from the Island Kahuna and complete a trial if she wants to use it. Matthew offers Aster the chance to travel with them and she agrees, joining them on their travels.

Characters
Aster has been shown to be a bit of a prankster. But when it comes to battling, she gets serious.