In which a good-looking college student, Gonta Tamachi, reconsiders himself when his powerful grandmother and his body and spirit are replaced.

In this world, there exist demon swords. Those who have the sword will have their will taken over, and they will lust for human blood and keep on killing indiscriminately. The sealer is who searches for those blades that haunt people and seal them with his scabbard.

Mika Kuroda is engaged to Toru Sakurai, a high-spec boy who works for a trading company. She pushes troublesome jobs to colleagues saying "I'm about to get married", and the girls in the company dislike it. Mitsutoshi Asai, a part-time job, is a good young man who helps with work without making an unpleasant face even when he sees Mika. One day, a message arrives from an eerie account to Mika, a hated girl in the company. Starting with that, mysterious events begin to occur around her. Mika receives a direct message as if her behaviour was being monitored, and a phone call at work calling her former fiancée "Hirose Kanata". On the other hand, her fiancé Toru suddenly approaches Hinata with a certain kick and has a relationship. But that was just the beginning of Hinata's horrifying revenge plan. A terrifyingly addictive revenge drama that takes place between five men and women. Gradually, the real faces and relationships of the mysterious characters are revealed.

Taiga Kitamura, who was separated from his mother at an early age, believes that his father's selfishness in devoting himself to the rally hastened her death, and leaves for Tokyo upon entering university. While aiming to become an actor but feeling vaguely dissatisfied, he receives the sudden news of his father's death from his childhood friend Miho Uechi who lives in his hometown.

27-year-old Akiha Ōkado, who vows to stay single, gets a proposal to enter into a fake marriage from 30-year-old Shū Momose, who wants to get the status of a married man for some reason. Through living together as a fake couple, their relationship gradually changes.

This is a work depicting a man suffering from dissociative identity disorder, who is different on each day of the week, from the perspective of "I" on Tuesday.

Teruko is a 28-year-old office worker. 5 months ago, she fell in love with Mamoru at first sight. Since that time, she has not cared about her work or her friends. She then loses her job and her friends look at her coldly. Yet, Teruko is happy as long as she is with Mamoru. Meanwhile, Mamoru thinks Teruko is an easy woman for him to not love. Teruko’s unrequited love grows deeper.