Saeko, Takashi, Rei and Kohta from Highschool of the Dead as the protagonists of Left 4 Dead.
A big "thank you" for everyone who faves this.
Thanks to Sergiyakun for featuring this art in his blog. >>> [link]
Check out the blog to see other great H.O.T.D. works and fanart of other mangas/animes
H.O.T.D., Daisuke Sato & Shouji Sato (c)
Left 4 Dead, Valve (c)