The Mirror Crack'd from Side to Side(2018)

大女優殺人事件～鏡は横にひび割れて～

A police detective Shoukokuji Ryuuya from the first section of Metropolitan Police Department is tasked to investigate the murder case of a woman which takes place at a grand party held by a big-time actress but faces the hurdle of finding the true culprit among the large pool of suspects.