The cliché transmigration trend happens to Rein. When he woke up from his sleep, he suddenly became an imperial prince.
The problem is, he is a sickly prince and doesn't have long to live. The bigger problem is that he can't die earlier because he is one of the characters from the novel he once read.
Without any hope of returning to his world, will Rein decide to fight on in his new life as an imperial prince?