During a trip, he was "abducted" by aliens and sent to a parallel time and space to become an experimental subject. After being rescued by a mysterious man, he gained superpowers and started a journey to save the world using his own blood as a weapon. Do you think I want to save the world? No, no, it's just a coincidence... But, is it really a coincidence? I always feel like there is a pair of hands holding me silently. Who is he? What is his purpose? This is a big mystery, and it's also a big whirlpool. As a college student, I am trying not to fail the class while still pursuing the truth...