A Sword, a Pot of Wine, Cut All over the World

[Time Travel, Invincible, Single Female Protagonist, Kendo, System] The plum blossoms of that year were very fragrant. The young man was trapped in the plum blossom sword formation and could only watch his father drift away. The young man shouted for his father, but the middle-aged man just smiled lightly and said that if God does not save my human race, then I will save him. After that, he entered the war between humans and demons alone. He single-handedly turned the tide of the war, but it could only be regarded as a partial victory. After that year, the innocence of youth faded away and there was a hint of coldness in the boy's eyes. Later, the boy found his father's dagger in the ruins. For his father and for himself, he killed all the demons and all the pigs and dogs. When the sword came out, the demons were afraid and the immortals were shocked!