One Person, One Knife and One Dog Live Forever Together

[Immortality system + invincibility + pretentious slap in the face + cool writing + lonely traveler] A man with a knife and a dog, a dog with a knife and a man, a knife with a dog and a man. Li Changsheng, who possesses the immortality system, has seen the story of the floating world, traveled to the beautiful mountains and rivers, and walked alone in immortality. Everything you want to see is here.