23 people participate in a game of psychological warfare in which they wear a special device called “SCM” which can be used to turn other players into their slaves. Eia Arakawa, is a girl with a cold personality who dabbles in various romances without taking anything too seriously. Meanwhile, Yuuga Oota is an eloquent, smart young man who gradually descends into insanity when he becomes wrapped up in the darkness of the game. A fierce survival game for their own purposes.
Anna is everyone's dream; beautiful, intelligent, kind and elegant. But in this drama, she is not the heroine... it is her best friend Lily. Lily is a girl who is overly confident of her own beauty and fantasizes that the whole world is in love with her. She even feels sorry for Anna who is always chased by the boys... as she believes that they are using Anna to become acquainted with her own self. --
A series of suspicious deaths, starting with that of her boyfriend Kawazu Masayuki, prompts mystery novelist Yuki Rikako to investigate. She discovers that all the victims were once passengers on the same cruise ship a year ago and involved in an accident that left one man dead. Rikako must find out what really happened during that outing before more casualties result.