"Okay, now turn the handle and voila!" Oikawa explained.

"Oh! It's working.." Iwaizumi looked as the water started running and smiled to himself.

"I feel like a teacher... Why do I have to teach you simple things?" Oikawa sighed and scratched his head. Was this really the "dark and evil" devil?

"Look.. I spent most of my time in hell. I have no idea what the world is today. All I know is that most of the people stopped believing in God. I need to learn stuff..." Iwaizumi exhaled loudly as he remembered all those centuries he spent in hell.

The last time he was here on earth, people were riding on horses, bread was cooked in an oven and archers tried to shoot him while the crazy popes tried to exorcise him. He wasn't used to all the technology.

"Yeah, yeah I know.. Speaking off, since I can ask for anything - can you fill the fridge with tasty dishes? I'm really lazy and I don't want to cook" Oikawa said and looked at the devil who was still impressed by the running water.

"Yeah, sure. Done already. Also, have you been in contact with a demon recently? I've been hearing reports about a demon noticing my protection over you" Iwaizumi said as he finally turned to Oikawa.

"I don't know. I mean, I was surprised enough when you said that I had a direct contact with an angel.. Is there any way I can notice who's a demon?" Oikawa watched Iwaizumi walked over to him and took his hand. He seemed to trace some sort of sygyl on it.

"Once you come into contact with  a demon, this will appear on your hand" Iwaizumi said and Oikawa noticed a weird symbol on it. It almost looked like a tattoo.

"Okay, got it. How about the angel?" Oikawa couldn't help but wonder if the angel will come after him.

"By now it probably already reported you to the higher-ups. There are three possible responses. First, the angel might try and help you, thinking that the possession is against your will, which is bullshit, because every demon needs permission. Second, the angel will attack you and forcefully stop the possession. Third, the higher-ups will come down to earth and use you to get me out into the daylight and try to destroy me. It's one of these" Iwaizumi explained and let Oikawa think for a second.

"I don't want to have any angel business. Also, wouldn't the order of the world mess up? I mean they are the light and you're the dark. So if one is gone..." Oikawa started telling his theory.

"You're right. If I'm gone - the world will come to an end" Iwaizumi gave Oikawa a small smile before leaving the bathroom.

"Hey, can you tell me more about angels and demons? So I'm prepared?" Oikawa asked as he followed him.

"Yeah, sure. What do you need to know?" Iwaizumi sat down on the sofa and waited till Oikawa joined him.

"Well, will the demons attack me?" Oikawa was really starting to fear for his own safety, even though he knew that he was basically immortal now.

"No. If anything, the demons will try and protect you. I rule them, therefore they cannot disobey me. There are quite a few lower class demons in this town, but there is one higher-up demon and one general aswell. You don't have to be afraid of them. You have to be afraid of the angel. From what I know there is only one in this town now, but one of the higher-ups might come down aswell." Iwaizumi ranted whilst Oikawa listened to him like a child that listens to their mother's stories.

Somewhere deep  down Oikawa thought that he was still dreaming. This all seemed so surreal, like a messed up fairytale.

"Are there any other beings I should know about?" Oikawa wondered.

"Nope, but it would be the best if you knew the classification of the heaven and hell beings. Heaven's classification is quite easy. There are lower class angels who don't really have any special powers, then there are higher-ups who are much stronger and can cause instant death and then there are archangels. If you ever spot one, the symbol on your hand will turn red and will hurt. If that happens - run. Run as far as you can. Those bitches are my brothers. They are really strong and might get past my protection. And then there's God. He doesn't show himself so no worries" Iwaizumi explained, Oikawa was on the edge of his seat, he felt like he was in a game of some sort.

"And hell?" Oikawa asked and watched as Iwaizumi smiled.

"Hell has a bit more complicated classification. There are the lowest class demons who usually possess animals. Those animals then usually attack people, you know like shark or dog attacks. Then there are the lower class who are pranksters and idiots. They use Ouija boards to joke around and are the ones who cause poltergeists. Then there are the higher-ups. They work under my command on earth. They need permission for a possession and they also report everything to me personally. After them come the generals. My most trusted demons of all time. Some of Solomon's spirits also belong there. One of the generals is here on earth investigating funny angel business. I'll introduce you some time. And on top of all am I. The ruler of hell. You know, not everyone is lucky to make a deal with me, so consider yourself....blessed" Iwaizumi laughed a bit.

"Yeah, yeah don't brag. Also, I was wondering, why did they kick out of the heaven again?" Oikawa asked. He noticed how Iwaizumi's expression changed, maybe it was a touchy subject.

"When my father, or God, created me and my brothers he gave us one mission - love humanity. I tried to, I really did, but I just couldn't. I did find human beings interesting, but I couldn't love them. And even though I was my father's most beloved - he kicked me down and forced the damned and sinners upon me. I'm used to it by now. Actually, one of my brothers still communicates with me since I was the one who looked after him when he was little.." Iwaizumi had told this story a million times, and yet it still brought memories.

"Ah.. I see... Oh, my friend actually wants to come over. You don't mind right? I can say that you're my roommate or something" Oikawa suddenly remembered.

"Okay okay. Bring him in. I mean, the fridge is full of food anyway" Iwaizumi said as he relaxed.

About 30 minutes later a doorbell rang.

"Come in! The door is unlocked!" Oikawa shouted from the kitchen.

The guy walked into the living room and...

"Boss?" Mattsun asked as he saw Iwaizumi on the sofa.

"Oh, Issei. Nice seeing you here, so you're the one who's been reporting about Oikawa! I trust you so it's all good" Iwaizumi stood up and gave a quick hug to one of his higher-ups.

"Wait.. What?" Oikawa asked as he appeared behind them.

"Oikawa, Matsukawa Issei here is one of my demons. He's been on earth for around 60 years now and has been tracing an angel which one of my generals is investingating" Iwaizumi explained and pointed at the slightly embarrassed Matsukawa.

"Oh.. I see... So, uh, Mattsun... Why didn't you tell me?" Oikawa asked.

"Didn't know if I was allowed to, but now you know. Oh, and just for the fact, my bloodline connects with Marchosias himself. Pretty cool, ey?" Mattsun raised an eyebrow.

"I don't know who that is...." Oikawa laughed before he felt a book flying at him.

"Read it. It's the Lesser Key of Solomon. One of the most important things in your life" Iwaizumi said and gave him yet another small smile.

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Y'ALL HAVE NO CLUE HOW MUCH FUN I'M HAVING CREATING THIS UNIVERSE. LIKE HOLY FUCK I LOVE THIS

-hatari.