Once feared as the unbeatable yakuza, Immortal Tatsu's name inspired dread among cops and criminals alike after defeating a rival gang. Unexpectedly vanishing from the scene, Tatsu reemerges in a new role. Swapping his weapon for an apron, he embraces a peaceful life as a house husband. Juggling mundane chores, he discovers the trials of supermarket battles and culinary calamities. Despite his best intentions, misunderstandings persist in his path. Gokushufudou humorously unravels the daily escapades of this stoic ex-yakuza navigating the shift from a perilous past to a domestic present.