A devilish kiss

This novel takes place in the human world where there's murder attack targeted on college student, while everyone is busy trying to figure out what is happening, Tazz started experiencing weird symptoms, as the events went on Tazz had a meeting with a weird creature in the very corner of his room, only to discover it's a devil, not a normal one, but the daughter of the devil's king to be specific, as the days went on Tazz became closer to her and he then knew she was behind all murder cases, but she won't kill him, because in a matter of fact she loved him, and Tazz then was informed that they were friends as kids but when her mother died then satan cut out all connection she had with Tazz. He then helped her to put off murder.
Then too soon war started at her kingdom she had to face her own father and other circumstances.
At the end they had a huge fight and they both died.