
No you can call it incest but not pedo/grooming. Papa is anything but groomer. You can see that papa never treats Potato in any inappropriate way since young till adult. Wolf king is a good Papa, nothing like a pedo.
But there's a possibility that Potato likes Papa when he's grown up. That is pseudo incest if you wanna call it. But Papa being a pedophile or groomer is far from truth

Still no different tho. Like I said, your definition is wrong. If Papa isn't pedo even one bit then pedo vibes don't exist too. But I won't deny if you think there's an incest vibes in it because we can see there's a possibility that Potato sees Papa that way. But there's 0% chance Papa sees him that way
I know it's not really like that but it's kind of like that.