Uncontrollable Factors: Singularity Theory

An unexpected displacement. It's like a fishing line, pulling out a huge conspiracy. The boy Susuno Che accidentally turned into the girl Helen, and was accidentally involved in a war that he had never heard of. Everything seems to be going according to the established process, but everything is really different from before. Because: "Cheru Susukino, you are the biggest uncontrollable factor in this world!"