Human!Male!Arceus X Reader - First Errand

"Good Morning, Arceus!" The tall male nodded in your direction and took a seat. It's been only a few days since you caught him in the Hall of Origin.
You must admit, he slowly adapted to the environment. VERY slowly. He still don't understand the lifestyle of humans especially the technical things they created. 
He called your television a "electrical picture box" or your Pokedex a "weird Pokemon dictionary". At least you won't get bored with Arceus around.

"Is there something you want for breakfast, Arceus?" He's not a picky eater and eats everything you cooked. You wondered what kind of food he ate when he was in his Pokemon Form.
The more you think about it, the more you get a headache. Seriously, his whole existence screamed "mysterious". But he's the Alpha Pokemon. He can probably survive for years without any nourishment.

Arceus thought for a while. "I'm fine with anything, really. But I want to eat the round cakes again that you baked with a frying pan." You looked at him in confusion but then you smiled.

"You mean "pancakes"! Okay. As you wish, Oh almighty Arceus!" You bowed and giggled and Arceus rolled his eyes. "You have no respect for me, right (Y/N)? Most humans would fear me."

"Of course I respect you! You look dominant but you also have a gentle side. Besides what kind of a Trainer am I if I'm scared of my own Pokemon? I like you just the way you are."

Arceus blushed at this. You also blushed when you realized what you just said. To avoid his gaze, you opened the fridge to search for the ingredients.
You noticed that you have all the ingredients for the pancakes except for Oran Berries. You mused. Maybe you should ask Arceus to buy some. He can learn to interact with other people that way.

"Arceus?" Arceus flinched at your voice. He was too busy staring at the wall out of embarrassment that he didn't pay attention to you. "Yes, (Y/N)? Is something the matter?"

You scratched the back of your head. "We're out of Oran Berries so could you please go to Sandgem Town to buy some more?" Arceus sighed. He can't exactly refuse your request since you asked so politely.
So he took the money from your hand and a shopping bag and left the house. It started good. Arceus walked out of town to a small forest in the direction where Sandgem Town is.
Well, he thought it was the right direction. It turned out that he's lost in the middle of the road. How did it happen? Arceus was more than confused. Then he saw a Bidoof.

"Hold on, little one! Do you know where I can find the Sandgem Town?" The Bidoof pointed with it's paw to the right. "I think the town you're looking for is in this direction. I guess..."

"Thank you for your assistance, little Bidoof." And with that, Arceus left. The Bidoof looked after him before realisation hits it. "W-WHAT JUST HAPPENED?! Did a human just communicated with me?!"
The brown Pokemon panicked but eventually calmed down. Guess it won't forget this moment.
Yes, Arceus may be a human now but that doesn't mean he can't understand the Pokemon language. That's one of his abilities that remained in his body.

Arceus finally arrived at Sandgem Town. He knew that the building with the blue roof must be the Supermarket and without hesitation he walked towards it. Suddenly the door slammed open and he bumped with someone.
The boy Arceus bumped into fell flat on his butt while Arceus is able to keep his balance.
The boy instantly jumped up, pointed at him and yelled: "Dude!!! What was that for?! You have ten seconds to apologize or you'll be sorry!!!"
He counts up but abruptly stopped at three seconds. "WHAT AM I DOING?! I don't have time for this!!! I need to get going!!!" The boy shot a glare at Arceus and ran away.

"This human was weird...and rude.", thought Arceus and went inside the Supermarket.

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"There you are, Arceus! Were you able to buy some Oran Berries?" Arceus nodded and handed you the shopping bag. "Great! Now I can make some delicious pancakes!"

Arceus smiled. That's what he needs. A warm breakfast. A small errand like this can even exhaust a strong Legendary like him.

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"You know, (Y/N). There was a boy who bumped into me and he's loud and rude."

"Rude? What did he say?"

"He said that I should apologize to him in ten seconds or I'll be sorry but then he stopped counting and just ran away. What a strange human..."

"Yeah, what a straaaange guy..." You sighed. Your neighbor is such a handful.