"Do you have the qualifications to be a hero?" - The mysterious man "Saskal", who calls himself "the sage of the universe", said this to the protagonist Yuma, and this is the beginning of this battle. He imposed an ultimate test on Yuma beyond imagination. "If you fail, you will lose the power of Archer..." Protecting the peace of Xingyuan City as a member of the Monster Disaster Prevention Science Research Institute "SKIP", the trust bond established by the companions gathered in "SKIP", the meaning of defeating monsters... These are entangled together, and it is precisely because of the light that can transform into Ultraman that Yuma can bear the heavy missions that come one after another alone because he has obtained the light that can transform into Ultraman. Now he is being played around by Saskal! The violent big monsters and evil aliens, in the super dimension where even time and space are distorted, the black Archer Ultraman - "Kil Archer" appeared. Yuma - Can Ultraman Archer defeat the ultimate test beyond "imagination" and protect the future? !