SAME-201 Mukai Ai, the husband's home turned into a den of evil

With no steady job and his wife having abandoned him, Taka is at a loss and takes his son Shota to his parents' house where his older brother and his wife live. His older brother Shoji and his wife Ami agree to live with him on the condition that he can find work, but Taka shows no signs of working and spends his days gambling. Shota also pretends not to notice and lives comfortably, but...