Ms. Moriyama teaches English at the elementary school of the main character in the 1988 and 1998 anime adaptations. In the 1969 anime adaptation, she serves as a music teacher instead. This earlier version uniquely portrays her as the recipient of a student crush from Taisho, whereas later adaptations redirect his affections toward the protagonist. Across all iterations, she functions as a supportive and approachable faculty member, consistently demonstrating kindness toward students. She maintains a friendly rapport with her pupils, offering guidance and assistance when needed. Her teaching style and interactions establish her as a mentor figure within the school, noted for cultivating constructive relationships with the student body.