Yuuki Cross moves into a haunted mansion as promised to her father Kaien Cross, however the first day there - she dies. Zero Kiryuu, the devil who lives there saves her from death - but Yuuki is now his. In this situation is it possible to say I Love you

Yuuki Cross is placed in a dilema when Kaname Kuran, her lover and a detective points his weapon at the criminal Zero Kiryuu, the only guy who can help her find her missing father. Is she going to side with the criminal or let her desire to find Kaien go?