【Condition】Read once or twice. No noticeable scratches or stains. 【Shipping】Within 2-3 days 【Contents】 Japanese-style horror × fantasy × mystery The setting is a used bookstore called "Mononobe Books." The protagonist and their assistant are tasked with collecting the forbidden book "Onisho," which turns those who read it into demons. The story solves the damage caused by various Onisho while delving into the inner selves and connections of the protagonist and their assistant.