I'm the only one at home right now...

With the future in mind, Yu, a newlywed husband, and his wife, Wakaba, move into a wide new home. Cheap rent for a kind landlord. Wakaba was excited for the happy days that would come. One day, the previous resident comes to pick up the package that was received by mistake. When Wakaba opened the door, the man suddenly attacked him. Wakaba desperately resists and screams that her husband will be back. However, the man knew that his husband was going on a business trip for three days... This house was being voyeurized and a conspiracy targeting her new wife was hidden...