The son of Gon and Killua (HxH x Mha)

What if Gon and Killua went to a place that only has quirks for their mission?
What if Killua got hit by a quirk for him to have a child?
Who will that child be? How will they turn out to be?

We will go and find out the life of this child...

(the cover is not done yet, I'm just excited to publish this eheh..