You we’re a human who have been selected to become an exchange student at RAD, a school for demons. Awaiting you are 7 demon brothers and a mountain of tasks...?! There is only 1 rule you have to remember to survive after a while there you have good relationship with the 7 demon brother and you also very close with a beutifull reaper thirteen one day you get chance go back to human word after few week you go back to underword wnd there thirteen waiting for you