((to be added, cause it got deleted >.<))
All you need to know is that this takes place after Duelist Kingdom in the original Yu-Gi-Oh! series, it will closely follow the original plotline, and it is a Yami no Bakura x Ryou Bakura story.
Yugioh plotline and characters (c) Kazuki Takahashi
art and doujinshi story (c) Freai
EDIT:
For the ppl who asked, I'll put some translations on here ^^
~ yadoneshi = "landlord" or "host" in Japanese, its a 'pet name' Yami no Bakura gave Ryou in the manga series
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MOONSHINE by Freai
Reading direction 
Portal