One day in the dream, some one showed up and claimed there is a dream called paradise. From that day, dream demons that can suck human memory and spirit increased. In order to make everything return to its original state, Yoru, who awakened as a demon hunter, decided to challenge the initiator.
Due to family circumstances, Yuki has only one belief: money will make his little sister happy. And thus, he works part-time jobs late into the night. His plan is to start working full-time after graduation, but his little sister tells him that if he won't go to university, then she won't either.
