After Awakening the Evil Body, Junior Sister Leng Yan Took Me as a Treasure

Jiuyou's evil spirit surged, and Su Yichen awakened his evil body, but became the "nourishment" of Leng Yan's junior sister. Every time you take it, it not only consumes your life, but also makes the junior sister's addiction to evil spirits rise quietly. The arrival of the mysterious system, the fragments of truth hiding mysteries, the lies in the pharmacy, and the secret words in front of the altar made Su Yichen more and more suspicious of the identity of his junior sister. When the anti-suck mode is unlocked and the cracks in the space are torn open, what kind of secrets are hidden in the ruins? What unknown past will be involved in the seal on Junior Sister's heart?