They Call Me the Guy That Lives in the Room... A Mom and Younger Sister Do What I Tell Them (2020)

Sinopsis

My son is 30 and unemployed. He is a hikikomori who lives in his parents' house and has no job experience or love experience. Since when did he spend the whole day in the room he was given as a child and eat together at the table? Even such a son is a cute child for his mother. That good-natured, shy, and kind girl is just clumsy... "Be confident! You have a mother with you!"