Party kara Tsuihou sareta Sono Chiyushi, Jitsu wa Saikyou ni Tsuki S01E02 - Regarding the Banishment, Which Was, in Fact, the Start of a New Voyage

Laust had a very painful youth. Despite his best efforts as an adventurer, he was branded an "ignoramus" and lost confidence in himself. Then when wandering outside the city one day, he met a girl who inspired him to keep trying. But who exactly was she?