Beast Controlling Awakening Twin Soul Contract

This is a world of contracts and training of beast masters. Fighting and evolution are the main themes here. The awakening of the beast master is a unique romance between the beast master and the beast master. Some people contracted with the nine-tailed sky fox and awakened nine snow-white fox tails that charm all living beings, some contracted with the golden-winged roc and awakened a pair of golden wings that can fly in the nine heavens, and some contracted with the black turtle spirit beast and awakened the black turtle spirit shield with unparalleled defense... The awakening of a beast is like opening a blind box. Some will allow the beast master to fuse part of the beast's body and inherit its powerful power. Others will directly awaken a weapon to accompany the beast master in battles and kill enemies. Here, everyone will awaken their own soul bond at the age of 18. The college entrance examination is no longer about writing and writing, but about exploring the crisis-ridden secret realm with the beasts, and the results are judged by how much they gain... The story begins when a sophomore in high school was thrown into a mass grave full of low-level undead, and unexpectedly awakened a twin soul bond...