Hunter × Hunter: The Seven Deadly Sins

Time travel became a member of the Hakka family who beat the enemy. He is the twin brother of Yiermi, who is the odd one. He began to receive assassination training at the age of three, and began to perform missions at the age of six. His hands were covered with blood, and his feet were full of bones. His legend began as a killer. — This is an unremarkable hunter fanfic. - Description from novelcodex.org