Shin Atashinchi doesn't build toward anything. It just exists in the spaces where normal families pretend to be normal, then immediately fail. The comedy lives in that gap, in a housewife's deadpan acceptance of chaos, in a husband who is somehow both present and completely useless, in two kids who have already stopped expecting the world to make sense. There's no plot racing toward a punchline. Just four people living a life where the mundane is the joke, and the joke is that they've stopped noticing. Watch this if you want comedy that doesn't perform for you. It performs for itself, and you're just invited to overhear it.
Shin Atashinchi is a TV comedy about the daily life of the Tachibana family, a household that is almost normal but not quite. Mom keeps house, Dad works as a salaryman, and the family is rounded out by their two teenage kids, one of them a daughter named Mikan. Ordinary days turn into outrageous misadventures, and the wacky humor comes from how strange this supposedly regular family really is. The tone stays light throughout, with the laughs drawn from everyday home life rather than big events.