Aiko Mimasu, born Aiko Kawaguchi in Osaka on November 2, 1910, is a revered figure in Japanese cinema, particularly known for her poignant performances in mother-centric films. Her most notable work, *There Was a War When I Was a Child* (1981), showcases her exceptional ability to convey deep emotional resonance, making it a must-have for collectors who appreciate the richness of post-war Japanese cinema. Mimasu's portrayal of maternal strength and vulnerability in this film has cemented her legacy, leading to a dedicated following among physical media enthusiasts. Another highlight of her career is her performance in *The Monkey King* (1940), a classic that has gained cult status over the years. Collectors seek out her films for their historical significance and Mimasu's unforgettable presence, which captures the essence of Japanese societal themes of the era. Her contributions to film were recognized posthumously, and her legacy lives on through these treasured works, making her a vital figure in any collector's catalog.