A Guide to Cultivating Immortality in Another World

He was originally a visitor from another world, a chosen one, but before he could live a happy life singing about the other world, he was controlled by others. After traveling through the soul, he was burdened with a sea of ​​blood and hatred. The original owner's overwhelming resentment was like a maggot attached to his bones, always "instigating" him to his end. In order to get rid of the uneasy factor of the original owner, he was forced to embark on the path of cultivating immortals due to resentment. From then on, their story officially kicked off.