L/N Y/N a demon slayer with a golden heart who surpasses the great sun user Hashira Kim Namjoon the most powerful and first to discover a breathing styles techniques in order to slain Demons. Yeji her beloved older sister who is also a demon slayer before who drowned in jealousy towards her younger sister because of her amazing and undefeated skills and leads her to become Y/N's enemy and side the demons for able to her to become stronger. She managed to defeat her younger sister only because Y/N divert her attention to her best friend who was near by getting killed by a demon so she had the chance to swung her weapon to her sister and leads to her death. "Farewell my beloved sister" After the death of the Great Sun Breather Y/N, the 9 powerful Hashira's who was second to the most powerful was devastated to the news, tears flowing down to their beautiful faces and hand gripping to their swords tightly as they already killing the demons to their minds. The result of that some of them become cold hearted and become emotionless. But they all don't know except her two bestfriends who was sent by gods to guide Y/N to her ressurected in life in another world and get her back to her original world when the time comes. Join Y/N to her adventure for becoming a great hashira again!! Note: This Story is Fan Fiction only. The person's that was used in the story with it's role was not true in real life. This was inspired by Demon Slayer Anime. Twice X Fem Reader