(from ebookjapan):

J-Doll" - a name known only to those who live in a world of gunfire and darkness. The man has lost his real name and nationality, and travels around the world, taking out daily targets to eliminate enemies of the Japanese government, and holding women for one-night stands.

He dreams of one day stepping on the soil of his homeland and embracing his beloved daughter in his arms. A hard-boiled action manga about J Doll, a lone gunfighter full of manliness and romance!