Kawamoto Takahiro

Link: The Doujinshi & Manga Lexicon

Based on the award-winning novel, the first book in The Higa Sisters Series!When Tahara Hideki was a child, he had an encounter with “Bogiwan”, a monster that his late grandfather feared. Now that he's entered the workforce and has a family, he receives an unseen visitor… When a junior colleague loses an arm, strange happenings occur in his home, and an invisible terror approaches, he clings to…A nonstop horror that's making waves!Alt Official Raw: niconico Manga