Awakening from an ancient slumber within a mysterious coffin, the elegant and noble Cadis Etrama Di Raizel, known as Rai, finds himself in a modern world. Seeking guidance, he turns to his trusted companion, Frankenstein, who happens to be the principal of Ye Ran High School. With Frankenstein's aid, Rai navigates the complexities of contemporary life as a new student, but their plans are derailed by unforeseen challenges rooted in their enigmatic past. As Rai grapples with adapting to a society vastly different from his own, he must ultimately wield his enigmatic powers to safeguard his newfound friends and allies.