Note: Reginald and Shark are the same person, for who didn't watched Yu gi oh Zexal.
Reginald Kastle has always been your idol, you created a deck in his image and likeness based on water monsters, with a few small differences. For example, you lower monster levels with A legendary Ocean, then protect yourself with the Gravity Bond and Tornado Wall combination. Shark has never used this combination. You would like to challenge him one day to see which of the two decks is the best.
But then one day an unexpected event happened. Rio, Reginald's sister, was dueling with a certain Four, when a spell card started a fire.
To help her sister, Reginald entered a tournament and made it to the final match against Four, you found it almost ironic, and you were afraid of what Four might do to Reginald. You would like to understand what is behind Four's mind. Reginald dominated the duel, but then the jury discovered that Reginald had violated the rules by looking at his opponent's cards before the fight, so he was disqualified. You think Four tempted him to look at the cards on purpose. You bet what happened in Rio wasn't a coincidence. Reginald has been banned from duel monster tournaments for life.
"It's not right. I wanted to challenge him to see who was the best, now what will I do in life?” You wonder. You decide to forget and go to sleep.
The next day you wake up to hear the sound of hospital machines monitoring patients. You discover that you were shrunk and there was a girl in the bed, with blindfolds, she is probably blindfolded elsewhere too, but you don't see it because apart from her face, her body is under the sheets. She has pale skin and dark blue hair with light blue bangs. You recognize her, it's Rio, Shark's sister.
You decide to walk away, what would he think if he found out there was someone here? "Who is there?" The girl asks, without sight her other senses are more acute.
“Wait, I can explain, I have no bad intentions. I am a fan of your brother, I heard about the strange case of the fire you suffered, and your brother's disqualification from the finals. I was investigating and found myself shrunken here.”
“Reginald's opponent was called Four, by chance?”
“Yes, how do you know that?”
“First the fire then my brother's disqualification and he was always involved, now you are shrunken, it can't be a coincidence.”
“You're right, but I don't think I'll be able to go home in this condition, can you hide and protect me?”
“No problem, I'm Rio, and you?”
You tell her your name.
What will happen next?