It may seem incomplete, but it's not uncommon for Japanese horror stories to be like that. Besides, in reality, horror experiences told by people who experience it directly are usually the same thing ne? Not all people who encounter ghostly experiences has all te answers offered to them. Which makes it even more scarier than otherwise (>__<). If u want to read horror anthology manga, search Yami No Koe, which claimed to be real stories told by daily people.
It may seem incomplete, but it's not uncommon for Japanese horror stories to be like that. Besides, in reality, horror experiences told by people who experience it directly are usually the same thing ne? Not all people who encounter ghostly experiences has all te answers offered to them. Which makes it even more scarier than otherwise (>__<). If u want to read horror anthology manga, search Yami No Koe, which claimed to be real stories told by daily people.