Bloodless Sword

People who have never been on the edge of death will never know how to cherish life, not only their own life, but also the lives of others. He is such a person. His sword never leaves anyone alive. His sword is stained with the blood of countless people. This is the glory of a swordsman. It wasn't until his blood flowed out along with other people's swords that he realized that it would hurt him too, and how good it would be to be alive...