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Nozaki Harukas family moves to a small town following her fathers new job. Unfortunately, Haruka becomes a target of bullying in the new school, which is set to close in a few months due to the lack of students. As a strong girl, who doesn want to worry her parent, Haruka tries to ignore the bullies, but the case is steadily growing out of proportion. And since the teachers are not willing to deal with bullying during the final school months, nothing is stopping an appalling tragedy that is looming over Haruka.
The manga will focus on the character Koharu Hidaka, who is a middle school teacher close to 30 years old in 2007.
In order to give his family a fresh start, Akio buys a house in the countryside. However, there is something very wrong with the house, and what should have been a haven of peace slowly turns into a nightmare.