Chibikko Kaa-chan (1984)

Chibikko Kaa-chan 1984 / ちびっ子かあちゃん 1984 / Little Child Mom , Chibikko Kaachan

It tells the story of Ranko, a 6th-grade girl who has to take care of her younger siblings after their mother decides to leave them. From now on, younger brothers begin to call her ‟mom‟, which leads to many misunderstandings and comical events. (Source: MyDramalist) ~~ Adapted from the child book ‟Chibikko Kaa-chan‟ by Hisashi Yamanaka.