Description:

Rio and Mamoru, childhood friends. Although they know each other’s feelings, their unclear and ambiguous relationship leads them to despair. Rio finds herself involved in idol activities after accidentally participating in a beauty pageant. Mamoru is warned that Rio is a prize for “Sacrifice,” a way for the powerful and black-hearted to pass the time. To protect Rio, she decides to get involved as a part-time participant, but is unable to tell him her true situation.