Jhin Yukaza is a devil gene carrier that he inherited from his father. His goal is to save the world from evil. Unfortunately, he struggles to put an end of devil's influence from his body. However, despite of his cursed blood, there was someone who accepted and loved him named Chiara Jagear. Chiara was being obsessed with Jhin Yukaza, she wants to do anything to be with Jhin, even in any circumstances she's stand by Jhin. All she got from Jhin was nothing but to hurt her feelings in many times, So how she is certain about her love to Jhin? If her love for him will be longer than it last?