Domestic mystery The girl does not spell the night

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

A youth mystery that cannot be foreread, depicting a girl who is absorbed in a domestic mystery "Murder Plan" published by Kadokawa Bunko. Riko, a third year junior high school student, writes about a plan to kill someone close to her in her "Night Diary" in order to soothe her obsession that she might hurt others. She is threatened by a boy who knows a secret, yuto, and will help kill his father.