Sakiko Okudaira, mother to Akira and Shinobu, maintains a decades-long friendship with Fumi Manjōme’s mother, reignited when the Manjōme family returns to their hometown. Her relationship with her children blends warmth and frequent lighthearted banter, though she shifts to a stern demeanor when mediating their disputes, halting arguments with a single silencing glare. She openly challenges Shinobu’s overprotectiveness toward Akira, urging him to prioritize his own ambitions. Family obligations extend to Yokohama, where Sakiko insists Akira visit her critical relative Keiko, navigating underlying friction with unyielding pragmatism. Known for her blunt candor and disciplined approach, she anchors the household as its steadfast, stabilizing presence.