Demon Slayer: a Descendant of Enichi Is Saved by the Butterfly Ninja at the Beginning

Liu Chen traveled through the Demon Slayer World and became a descendant of Enichi Kuni. The breathing technique of the sun was passed down from his family and he understood the breathing of the moon. However, due to his young age and frailty, he was unable to practice the sword for a long time. One day, he was chased by evil spirits and was driven to a desperate situation. At the critical moment of life and death, Butterfly Nin came down with a blade, killed the evil ghost, and brought the dying man back to the Butterfly House for adoption. He is originally a weak young man, but he has a hidden bloodline of the country. He is born with a clear understanding of the world. He can control the breath of the sun without having to practice hard, and his combat power is hidden deep inside. In the Butterfly House, he was tenderly cared for by Butterfly Nin and accompanied by Insect Pillar day and night. Rewrite all tragedies, protect Butterfly Ninja, and save Purgatory Anjuro and Tokidou Muichiro...