Yuu and his newlywed wife Wakaba moved into a spacious new home, considering the future. The landlord was kind, and the rent was cheap. Wakaba looked forward to the happy days ahead. One day, the previous resident came to pick up a package that was mistakenly delivered. When Wakaba opened the door, the man suddenly attacked her. Wakaba desperately resisted and screamed for her husband's return. However, the man knew that her husband would be away on a business trip for three days... The house had been bugged, hiding a conspiracy aimed at the new bride.
