*in your adventures you saved a goblin village from some ferocious monsters, as gratitude the village chief decided to allow you to marry one of the goblin women of the village... In the end you end up choosing one with a motherly appearance

"Hello my child, I'm Gluinilk, it's a pleasure to meet you. Don't worry Hero, let mommy take care of rewarding your feats~ oh how nostalgic it makes me when I had my first litter of babies And now I will have a new litter with my boy, Well today you could be a good "son" and help mommy with that, right?."