Higurashi no Naku Koro ni Oni is a Manga/Manhwa/Manhua in (English/Raw) language, GORE series, english chapters have been translated and you can read them here. You are reading Higurashi no Naku Koro ni Oni chapters on ManhwaZ, fastest updating comic site. The Summary is
Taisho, year 12 (1923). A tragedy occurring in Hinamizawa changes the fate of a lone girl and her friends. The turbulent early life of Oryou, head of the Sonozaki family, one of the Three Great Families, who would later be feared and known as Empress Sonozaki.