The Man in the Box

In a small suburban town, in one household, in one room, a man was found dead inside a box. To trace back to what caused such an event would take us some decades back... "My dad lives inside a box," said a sweet little five-year-old girl named Yumiko as she draws out a picture of a man's arm coming out of a box. Yumiko and her mother live alongside this man in the box. However, as Yumiko begins to grow up, the seeds of suspicion begin to bear fruit. "Who is actually inside that box?" (Source: MangaPlaza)