Disclaimers: I do not own Fairy Tail or Steven Universe.
A/N: So I'm at work right now but this idea came to me.
Basically where Natsu meets Ignia, only there's no Mercphobia and Ignia is piss that Igneel decided to raise a human over raising him. Parody of "Other Friends" from Steven Universe.
Other Son
(Steven Universe)
"Well, well, well, well, well. What do we have here?", the red dragon said as it transforms right before Natsu and the others very eyes as it descends to the grounds of Ermina Town, becoming a full human with dragon feature before he even touches the ground, "You must be Natsu."
"Eh?", the dragon-slayer says as he tilts his head, "Do I know you?"
The man merely shrugs, "Make sense you don't recognize me seeing how we've never met before. To refresh your memory, I'm Ignia, the son of Igneel."
Natsu and the others are dumbfounded by the statement but before anyone could say anything, Ignia keeps talking.
"Surprise I know your name? You shouldn't be", right before Ignia disappears and reappears in front of Natsu and backhands him into a nearby building, "Why wouldn't I know about the human my father chose over me?!"
That's right I heard the tale of all the things you've done
Gee, it's swell to finally meet his other son
That's right I heard your tale
Can't believe you were his number one
Gee, it's swell to finally meet his other son
Ignia flashes over to Natsu, picks him up by his leg and began repeatedly slamming him into the ground
What did he say about me? What did he say?
He then threw him into a wall and began punching him multiple times in the guts.
What did you learn without me? What did you learn?
Next, he bashes his head into the wall over a dozen times.
Did you slay foes without me? Who did you slay?
Finally, he tosses him over to Lucy and the others who rush to his aid.
Did you think all this time that I wouldn't find out about you?
That's right I heard the tale of all the things you've done
Gee, it's swell to finally his meet other son
"Natsu!", Lucy screams, "Are you alright?"
"Somehow I'm fine", Natsu groans as he struggles to get up.
"Natsu, do you know this person?", Erza says as she readies her sword.
"Not a clue. I didn't even know Igneel had another son", Natsu answers.
Ignia apparently hears this as his once smirking smile slowly turns into a contorted rage and flames erupt all around him, blanketing the town in an ocean of fire.
Who am I? Who am I? What are you even saying?
I'm the heir to the legacy that you've been claiming!
Within a pillar of fire, Ignia turns back into his dragon form.
Let's have a fight right now, the strongest gets to win
Lives on the line
Winner takes all
Ready or not
Let's begin!
He then charges at the Fairy Tail's mages.
Oh, that's right I heard the tale of all the things you've done
A tail swipe sends Erza flying.
Gee, it's swell to finally defeat his other son
A hit from one of his wings sends Gray rocketing through some houses.
Oh, that's right I heard your tale
Wendy and Carla barely manage to dodge a claw slash.
Can't believe you were his number one
It took all of Lucy's agility to get out of the way of his front paw before it came crashing down upon her.
Gee, it's swell to finally defeat his
He then turns his attention to Natsu and Happy and readies his breath.
Oooother
Oooother
He releases a storm of fire at his adoptive brother and his flying companion.
Oooother son
A/N: Back to work before the boss sees me.