Sword of the Stranger(ストレンヂア -無皇刃譚-)

Pursued by formidable Chinese assassins, young Kotaro and his dog run into No Name, a mysterious stranger who gets pulled into the chase. The unlikely companions form a bond over saving the dog from a poison attack, but chaos erupts when the assassins find Kotaro, and No Name must face his past before a horrible fate is met again.