Mushoku Tensei: Isekai Ittara Honki Dasu Part 2 - Eris no Goblin Toubatsu

無職転生 ～異世界行ったら本気だす～ 第2クール エリスのゴブリン討伐

While Rudeus reunites with his father in Millishion, Eris sets out to fulfill her dream of slaying goblins. While at the Adventures' Guild, however, she encounters Cliff, a conceited young mage who threatens to spoil her adventure.

(Source: Funimation)

Note: An unaired special episode included in the 4th Blu-ray volume.