Yeah, this series REALLY got on my nerves at times. I get it's slapstick and exaggerated for "comedic" effect, but it didn't make me laugh, instead it sent the message that "lolol, loser dad, look at us all make fun of the slave". You simply don't wake someone up after just a few hours of sleep to make shit for you when your mother is right THERE! But yeah, whatever.
What I find more baffling is who the ffff- takes the wife's name? Is that even possible? Also it's clear who calls the shots in that household since we only see Haru's family around. We only see his mother in a tiny panel. It could just be that his lives really far apart, but...