Y/n pov:
I'll never understand how math can be so BORING!!! Like, seriously!? Just let me figure out how much ass I can kick in an hour! DONE! I'm brought out of my mental frenzy by little miss Tomato breath whispering.
Rias: You, me, ORC club building. We need to talk.
Y/n (signs): Why should I? As far as I'm aware, clubs were never something you HAD to partake in. Besides, I simply don't care enough.
Rias: I WASN'T asking.
Y/n (signs): And I wasn't answering a question. Now shut up, I wanna see the teacher screw up some calculation even a toddler can solve.
We both chuckle at my insult. Of course, mine was silent.
Y/n: 'Hey MissingNo, how many times has she tried this exact method now?'
MissingNo: 'Uh hang on, lemme just get my abacus out... Alright, I got the answer!'
Y/n: 'That is?'
MissingNo:
A/n: 2007 memers! our time has come!!! CHAAAARRRRRGEE!!!
Y/n: 'Now I DON'T regret introducing you to the internet'
MissingNo: 'Does this mean you don't regret that time I pranked you by replacing your phone wallpaper with a picture of that chick from RWBY's as-'
Y/n: 'Finish that sentence, I dare you. you have no idea how much that little escapade hurt my respect for you. AND my pride.'
MissingNo: 'Okay, okay! It was just a prank bro, chill!'
Y/n: 'DON'T YOU TELL ME TO "CHILL"!!! YOU CAN LITERALLY CODE PEOPLE IN AND OUT OF REALITY WITHOUT KNOWING!!! HOW DO YOU THINK NEO WOULD REACT IF I DIDN'T CHANGE IT BACK?!'
MissingNo: 'Did you at least keep the image file?'
Y/n:
Rias: 'You know I can hear you two arguing, right?'
Y/n and MissingNo: 'SHUT UP RIAS! BUTT OUT OF THIS! YOU COPYING ME!? WHAT DO YOU MEAN I'M COPYING YOU!? YOU'RE THE COPYCAT!!!'
A/n: for context, they say it at the exact same time.
Rias pov:
Despite looking calm and collected, it's funny how viscerally angry Y/n is at his Sacred Gear, and vice versa. He may bare the title of one of the most feared names in the Supernatural but...
Getting to know him, he's not that bad. Just a little grumpy, like, all the time. Doesn't change the fact he scared Koneko, though. We'll need to have a serious talk about that. Aside from that, I wouldn't mind being friends. Honestly, it's a shame he hates my brother so much. I wonder why? I mean, holding a grudge for this long can't be healthy...
???: 'you already know the answer. Or is this yet another attempt to add him to your ranks? The poor child has already had his emotions toyed with enough by people like yourself...'
Rias: 'who-'
???: 'I may not be here in person, but I can tell you the full story of why he hates the Gremory family so much... But first, my name...'
Darkrai: 'Is Darkrai. The Pokemon god of nightmares... Now, I'll ask again. Why do you wish to know? And don't lie. There are no thoughts that can hide from my eyes...'
Rias: 'I'll admit, at first... I only wanted him in my peerage because I sensed his sacred gear. But the more I got to know him, granted, most of it was through Sona, the more I realized... He's hiding untold levels of anguish under that lazy smile. Now all I want is to help him. Even IF he hates me and my family.
Darkrai: '... Alright. I will show you. But be warned... You may never see your brother the same way again... Are you sure you're ready to see his past?'
Rias: 'Yes. I'm sure.'
Darkrai: 'Very well... DARK VOID!!!'
I suddenly feel really sleepy... When I close my eyes, I find myself... on a hill? outside a small town?
Darkrai: 'Welcome to Pallet Town... Before it was destroyed...'
Darkrai sounded somber when he said that... He then points to one of the houses where I see a small child playing outside.
Darkrai: 'You see that house over there? The one with the teal roof?'
Rias: 'yes?'
Darkrai: 'That is where Y/n lived as a child. If you look closely, you'll see the child playing alone is in fact Y/n.'
Rias: 'I don't understand, why show me a time where he is happy if I want to know why he's sad?'
Darkrai: 'Because... Joy can quickly dissolve into pain.'
As he finishes, the roof of Y/n's house bursts open to reveal...
Rias: 'SIRZECHS!?'
Darkrai: 'There is more. Pay attention.'
I look closer and see he's holding someone by the neck... wait... she almost looks like... Y/n... His mother?
SirZechs: If you won't join me, you're of no use to me! Now you'll know the wrath of a Satan!
Little Y/n is horrified! Why would he do this!? My own brother...
Darkrai: 'Pride. It kills the strong and poisons the weak. In the end...'
SirZechs fires a bolt of magic straight through her chest before dropping her and laying waste to Pallet Town. No one was spared...
Darkrai: 'The result is the same...'
The scenery around us changes to what can only be identified as... A hellscape.
The once pristine buildings, reduced to rubble. The formerly soft, lush grass. Now, charred and desolate... But...
Darkrai: 'Everyone suffers.'
Rias *tearing up*: 'What about Y/n?'
I see him clinging to what remained of his mother. The only thing I can hear over the crackling flames is his sobs... Well, it's just sniffling because of his muteness.
Darkrai: He didn't just kill his mother... He destroyed everything Y/n had. Friends, home... All of it.
Rias *crying*: 'Why... I knew he killed the seventeenth Red. Plus Y/n, according to him. But I didn't know he wiped out a whole TOWN! He said it was "quick and painless"!'
Darkrai: 'As I said. Pride. SirZechs may not look it, but he's gone mad with power. If he finds Y/n, he WILL kill him. Promise me, Rias. Before we see his next memory, promise me you'll keep him safe from your brother's grasp.'
Rias: *Sniffle* 'I promise...'
Darkrai: 'Thank you...'
A/n: Chapter 3 complete! After reading back through the previous chapters, I realized I never fully fleshed out Y/n's backstory outside of the short version in the bio. So I decided to correct that here. Next chapter will include the memory that caused y/n to hate ALL devils.
Ciao!