I wouldnt call this a grooming situation, because (human guy) hasn't actively tried to get dragon guy to firstly: see him in a romantic or sexual matter. Yes, he has raised him, and he's dragons primary carer. So yes, I can see the absurdity of the situation if they start a relationship. Anyhow, it's a fictional work, and (not to set the bar low) but this is a lot more wholesome and healthy than other mangas on this site, where rape is used to start a relationship... Sooooo
Begging for them to be a switch couple. On my knees, begging