The father will definitely snuff it. Call it the Rule of Gesugao or something, but he will snuff it. The Prince, maybe, maybe not. The princess, we never even really met her, can't say if she's trash or not.
But the father's got an obvious death flag.
With OSAITUS here, I'm here for the zamaa, so I'm sticking around for a healthy dose of "I'm living better than you assholes, and maybe monsters invaded your kingdom or something."