I've started reading this manga quite enthusiastically, because after just a few pages I was smitten by the artwork.The Crows, the Girl and the Yakuza is the first story, and in my opinion the best one. It's the only story in which I did not feel that the artist was in a hurry to finish, or he had a limited number of pages he could use for each story.There's a certain unfinished air to the stories, they seem as pieces of an artist's practice sketchbook, like a draft for the real thing. Despite this, I rather enjoyed this work, because I like darkness, spleen and despair,as much as I like upbeat, positive mangas in which Evil gets bitch-slapped by Good. It's smart and occasionally philosophical.
Hiroki Endo's Tanpenshu is a decent piece, all in all, and I'm not sorry to have read it. I just consider it a promising sneak preview.