Cultivation of Immortality Starts from Lying Down

This book is also called "How the pair of scourges changed from black and white evil spirits to black and white saints" or simply "Black and White Twin Saints". Traveling through the world of immortality, Chu Fan accidentally got the system of "getting stronger when you lie down". Just when he thought this system was his strongest golden finger, he was stunned by his junior sister waving her extremely thick golden thigh. Only then did he realize that his golden finger was not the system, but his junior sister. From then on, legends began to circulate in the world of immortality that he and his junior sister were causing harm to the world of immortality. Because one of them liked to wear black clothes and the other liked to wear white clothes, others privately called them the Black and White Shuangsha. Later, it was changed to the Black and White Twin Saints, because these two scourges defeated the two old monsters who had been rampant in the world of immortality for many years and were known as the Star Palace Twin Saints. Therefore, no one dared to mention such a low title as the Black and White Twin Evils.