The Lone Assassin

"The Lone Assassin"
Is an Anime styled action story about a boy named Shinigami who wants to avenge his younger sister's death, his goal is to assassinate the supreme general of the country that ordered the execution of his younger sister.

Shinigami is into fighting when he was still young, Shinigami developed amazing fighting skills and techniques while he was growing up, now Shinigami uses his skills and knowledge about fighting, to avenge his younger sister