Why so low rating? I really like their dynamics

Probably because he's like his DAD and bc he's 3 years old. But that's just me

But isn't he a wolf and not human? And he's an adult?

Sure but he's still 3, he was a baby 2 years before and that guy took care of him as a toddler regardless, I just read it brainlessly but it's definitely not that good, even the plot is weak in general