Kasumi appears exclusively in the fifth episode of the anime adaptation. This human character draws the attention of two supernatural entities, the Tear Witch and the Wailing Man, due to her excessive crying. The Tear Witch sustains herself by consuming human tears, while the Wailing Man devours the victims left behind. Kasumi's profound grief stems from witnessing her mother's death. Overwhelmed by loss, she refuses to leave her mother's body even as the monsters approach. Her character arc within this specific storyline focuses on her victimization by these entities and her rescue when the protagonist intervenes to stop them.