SO is currently reading a cooking manga (and watching the anime) that features actual recipes and was intrigued by this one in particular: Yukihira Style Shalyapin Steak Don. I made it for dinner last 

Chaliapin Steak Don

It made for a tasty meal. The onions/sauce worked well with the rice. The steak was pretty tender, although I have no idea if the onion marinade had anything to do with that or if it was all due to me and the back of my cleaver.

CHANGES I MADE:
I don't keep wine at home so I deglazed the pan with just water; it doesn't add any flavour but it works. Corn starch was substituted for potato starch as the thickener. I also served this on plain white rice because I don't have pickled plum paste in my kitchen. Lastly, I omitted the green onions because I didn't bother chopping them.

As far as I know, this recipe was developed for the manga. No one has tried to replicate it for YouTube, though some redditers have posted step by step pictures online:
http://imgur.com/a/hQdFP
http://imgur.com/a/wy2WK

The comic panel containing the recipe can be viewed here - http://vignette3.wikia.nocookie.net/shokugekinosoma/images/9/9f/Chaliapin_Steak_Don_recipe_manga.png

Someone has transcribed it with slightly different wording here - http://shokugekinosoma.wikia.com/wiki/Chaliapin_Steak_Don

Here's a video showing how to make Chaliapin Steak, which is what the manga recipe is based on - https://youtu.be/dgHx0zA_dS4