Boku wa Ne.

After losing their mother at a young age, siblings Tetsuta and Aya are left to fend for themselves as their father becomes increasingly consumed by work. Tetsuta, having taken on a caretaker role, is accustomed to managing the household and looking after his younger sister. When their father suggests hiring a housekeeper to care for them, Tetsuta strongly objects, feeling it's unnecessary. However, his stance changes upon meeting the beautiful and kind-hearted housekeeper, whose presence brings a new dynamic into their lives.