Cool na Shachou to Himitsu no Kazoku ni narimashita

Akari, a hardworking and cheerful girl, lost her parents when she was young, and in between temp jobs, she helps her uncle run a lunch box shop. One night, Akari sees Yua, a regular customer of the lunch box shop, alone in the park. Then Shinonome, a sergeant and Yua's uncle, offers her a live-in babysitting job...? A slapstick love comedy that grows under one roof!