"Tonight, I will kill my father in the deep winter." To save her friend who was suffering from domestic violence, Nanba Nao and three classmates plan and execute the murder of the father who controls her. With a perfect murder plan, they thought they had finally put an end to their friend's hellish days. Until that moment... When the most sweet and ugly 'Himegoto' of girls writhes in this world, beautiful friendship quietly decays. A youth gothic romance filled with love and hatred, Volume 1.