Some quotes from the video
"Related videos - 100 million views"
"Pocketbook - Amazon's best selling e-book of 2013"
"Japan's first pro fighting gamer"
"God of Fighting Game World - Daigo Umehara"
"Fighting game legend turn into comic"
"Takes place in 1990s - Tokyo's game centers"
"At that time, Umehara was definitely the one I didn't want to lose." (Nuki)
"Thanks to that era, I'm now a pro gamer." (Umehara)
Since the manga is published by Kadokawa, one of the largest publishers in Japan, the video was uploaded to Kadokawa Anime channel. It will appear along side with other well-known works, this is an accomplishment itself.
Umehara: Fighting Gamers was first announced as digital manga. It is being serialized and distributed for free through Weekly Georgia cellphone magazine. The hard copy version of the manga volume 1, which also includes bonus episode, will be released on December 26. If you don't mind the shipping cost, you can import directly from Amazon Japan.