Akizuki-san wa Otona ni Narenai

Yusa is a twenty-five-year-old nursery school teacher whose professional life revolves around caring for young children. Her romantic partner, however, presents an entirely different kind of challenge. Akizuki is the thirty-two-year-old president of a toy company—a handsome, highly capable executive who commands respect in the business world. Yet, beneath his polished exterior and impressive career achievements lies a persistent flaw: he continues to behave with the unmistakable immaturity of a child. When the couple decides to move in together, the stark contrast between their daily routines begins to blur in unexpected ways. Yusa, accustomed to managing the antics of toddlers at work, finds herself navigating a strikingly similar dynamic within her own home. Despite Akizuki’s adult responsibilities and outward sophistication, his deeply ingrained childish tendencies refuse to fade away behind closed doors. As they settle into their shared living space, the boundaries between Yusa’s professional and personal worlds start to collapse. The ordinary rhythm of their domestic life gradually transforms into something increasingly bizarre and unpredictable. Balancing a relationship with a man who excels as a corporate leader yet struggles to outgrow his juvenile habits turns their everyday existence into a uniquely strange and comedic experience.