Zan’e: Sunde wa ikenai heya

Yuko Takeuchi, a mystery novelist, receives a letter from Ai Hashimoto’s character, Kubo, a university student and fan of her work. In the letter, Kubo mentions hearing strange noises in her current apartment. Intrigued by this, Yuko decides to delve into the mystery alongside Kubo. Together, they uncover the histories of previous tenants, which include incidents of suicide and murder.