The Spiritual Energy Is Revived, and Sadako Is Captured as a Younger Sister at the Beginning

Su Qing traveled to an extremely terrifying world, Half of the students from the first to the third year of high school died in accidents. As a crane tail, Su Qing has always relied on luck to survive. Until the super contract system was awakened, He successfully contracted with SS-level ghost-like creature, Sadako. Became the top existence in the entire Chinese country! Everything that was previously unimaginable has become a reality. But this is just a starting point! An endless journey awaits him! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.