Ubu na 27-sai to Muku na 11-sai

A comedy about an adult who isn't good at socializing and a child who is innocent. Under one roof! Natsuki Jougyouji is a talented company employee who is dedicated to her job... but she is inflexible and not good at socializing. Kaya Kozakura is a hard-working, cheerful, and positive child who knows how to look for the good in people. The two end up living together by chance. Will they be able to live safely under the same roof with the age difference between them?

(Source: Kadokawa, translated)