Although Dakara Koya primarily focusses on the mother of the household, Both kazoku game and dakara koya are essentially about the healing of a dysfunctional family- In Dakara Koya, it’s through the mother leaving the family and home while in Kazoku game it’s through the arrival of an eccentric home tutor.
Same overall story, a private tutor in charge is making the family we first thought was perfect, but turns out not. Kazoku game is more dark though, no romance, both of them are unpredictable. Kazoku game was the first drama that makes me question why we have to study so much, get perfect grade, good social status, just to look good on the outside. When I watch Sky Castle I got the same after taste