Rexina Mutkuro is a girl who recently shifted from USA to Japan with her only and lovely Younger sister Rancy Mutkuro. Her Grandmother had a cafe which is down in economically and socially after Grandmother's dead. More importantly, Mutkuro family kept a secret and surrounded by some mysteries. Rexina take care of her Grandmother's Cafe and Owning it successfully...? Is She able to manage it? Or get into the troubles? Is She able to solve that ? Aren't she know ' she is in a journey ' which is ' Dark Journey ' for her?