Oh and Ink, about making that dad a more likeable character I think there's two ways you could go about it.
1) you could give him his own charisma. Draw him to look attractive and have him act with a lot of confidence. Still make him mistreat his subordinates but do it in a way that keeps that charisma. I think it would fit as his wife and son were supposed to have the charismatic skill as well right? It could be the reason for the immunity. But he loses that a little and gets closer to people after a big event. (But not early enough to show that he didn't have that charisma lol)
2) make him really emotionless and hateable but last minute as his son is confronting him or whatever he starts to show affection for his son. (This happened recently in a manga I was reading but it's not a superrr common thing I think and it hits hard a lot of the time.)
From Jujutsu Kaisen he's one of the main character's dads and also a fan favorite for some reason he loved his wife but forgot about his kids basically he was a mercenary sort of thing