Sonna Kazoku nara Sutechaeba?

Synopsis

Reitarou Shinoya has been long ignored by his wife and daughter, left all alone, and forced to do nothing but eat and sleep in a small, dark, cramped room in the house. Cellophane tape forms a strict barrier he may not cross. He thought his family just had a few odd rules, but a woman questions how he is living. "Isn't that domestic abuse?" This is the story of a man hoping to restore his family, but what awaits him at the end... (Source: Houbunsha, translated)