Erika, a mysterious elf living in a quiet village, is thrust into action when a powerful monster attacks, leaving Asuru's father gravely injured. After successfully coordinating a plan to destroy the creature's barrier, Erika is haunted by her helplessness and her unknown origins. Driven by a desire to protect others and uncover the truth about her lineage, she decides to leave her home and venture into the wider world.
After a perilous battle with a monster, S-class hunter Ruby and the disgruntled Kongo share an intimate night, during which Kongo reveals the childhood trauma that inspired his path as a hunter. The episode also delves into a nostalgic memory of a young girl's departure for Eisenland, marking the hopeful start of a grand adventure.