曾田陵介

Nozomi Kuroda is in the 2nd grade of high school. One day, she finds a letter in a classroom desk. The letter has only the word "like" written on it. The person who wrote the letter is Jun Setoyama. He happens to be the most popular boy at the high school. Nozomi Kuroda feels embarrassed, but she eventually leaves a reply in a shoe closet at school. This is how their secret exchange diary begins. Nozomi Kuroda soon learns that the intended recipient for the first letter was her best friend. Nevertheless, Nozomi Kuroda is attracted to Jun Setoyama, who expresses his thoughts and feelings unlike her. She's unable to tell him the truth that the person exchanging messages is her and not her best friend.

Kisaragi Maaya, 16 years old. The first love confession of her life ended in complete rejection. She vows to "never confess to someone again" in the presence of the stoic but popular Chigira-kun, while on library duty together one day. Upon meeting again, and seeing her upset while reminiscing the past, he proposes they undertake a "pretend unrequited love play". As Maaya's heart begins to heal, her thoughts turn to them getting even closer... however she definitely can't fall in love with the out-of-reach Chigira-kun...? (Source: Mangaupdates)

Set in a solitary island school where only students who have caused problems are gathered, and communication from the world is cut off. Homura Itsuki comes to the school as a transfer student. At the school, there is a study group for the 19th-century French cruel drama "Grand Guignol", and Itsuki ends up joining that study group. In addition to the members of the study group, the teachers who manage them, the head chef, the mysterious new teacher, and other people who gather at the school are somewhat suspicious. And finally, a serial murder case like "Grand Guignol" occurs. On an isolated island with no way to escape, Itsuki and his friends are caught up in the vortex of fear of death and love and hate between men.