"Like a Mom" centers on the life of Haruka, a young woman in her mid-twenties who unexpectedly becomes the primary caregiver for her five-year-old niece, Sora, after her older sister and brother-in-law tragically pass away in an accident. Unprepared for the responsibilities of parenthood, Haruka struggles to balance her career as a freelance graphic designer with the demands of raising a child. The series explores her journey of growth, resilience, and the challenges of adapting to her new role as a surrogate mother.

The narrative delves into the complexities of Haruka’s relationships with those around her, including her supportive but overbearing mother, who frequently offers unsolicited advice, and her childhood friend, Riku, who becomes a steady source of emotional support. Sora, a bright and curious child, often mirrors Haruka’s own insecurities and fears, creating moments of both tension and heartfelt connection. The series portrays their evolving bond as Haruka learns to navigate the intricacies of parenting, from managing Sora’s school life to addressing her emotional needs.

Throughout the story, Haruka encounters various obstacles, including financial strain, societal judgment as a single guardian, and her own self-doubt. The series also highlights the importance of community, as neighbors, teachers, and friends step in to offer assistance and guidance. Themes of family, sacrifice, and personal growth are woven into the narrative, emphasizing the challenges and rewards of stepping into an unexpected parental role.

The supporting cast includes Sora’s kindergarten teacher, Ms. Aoki, who provides mentorship to Haruka, and Haruka’s colleagues, who offer both professional and personal insights. The series balances moments of humor and warmth with poignant reflections on loss and resilience, creating a nuanced portrayal of modern family dynamics. By the end of the series, Haruka’s transformation from a reluctant guardian to a confident and loving mother figure underscores the central message of finding strength in adversity and the enduring power of familial love.