it is bout a vampire and a wolf
there are lots tho: http://www.mangago.me/read-manga/tengoku_e_ikebaii/ http://www.mangago.me/read-manga/shin_toukyou_yuukaku_monogatari/ (ch3-5) http://www.mangago.me/read-manga/kamu_otoko/
yes it was kamu otoko-- thanks
it is bout a vampire and a wolf