Stay Mum (2024) – Chisako (Anne Watanabe) is a writer of picture books who has a long-standing conflict with her father, Kozo (Eiji Okuda). Despite their strained relationship, she returns to her hometown to care for him as he now suffers from Alzheimer’s. One evening, she encounters a boy (Toma Nakasu) who cannot remember his own identity and shows signs of physical abuse. To protect him, Chisako pretends to be his mother and they start living together. Over time, they develop a genuine mother-son bond, but their happiness is short-lived.