Kokichi no Nyoubou (Season 2)

Synopsis

Sequel to the first series.

The family Katsu is back. Mother, O-Nobu, takes care of her family though small income. Father, Kokichi, retired, but still somehow solving the trouble around him and his friends. Son, Rintaro, now (almost) an adult helping with his intelligence and maybe creating a trouble as well. And daughter, O-Jun, taking after her grandmother, brightenes up her surrounding.

What kind of trouble and happinnes were there in the early life of Katsu Kaishu?