Keisuke Kuroda wakes up in a hospital bed unable to remember who he is. While sneaking out of the hospital, he sees a glimpse of the news and realizes that…

An anonymous letter is delivered to the Tokyo Metropolitan Police Department. The letter states that a criminal of a murder case will appear at the countdown party Masquerade Night that…

While the Second World War rages, the teenage Mahito, haunted by his mother’s tragic death, is relocated from Tokyo to the serene rural home of his new stepmother Natsuko, a…