Gate of Nightmares is a Manga/Manhwa/Manhua in (English/Raw) language, MONSTERS
series is written by Hiro Mashima, Matsuoka Yoshinori. You are reading Gate of Nightmares chapters on www.manga-raw.club, fastest updating comic site. The Summary is
This story tells about a fantasy world where dreams and dreams of people come together, pouring out into reality. And where there are good dreams, there are nightmares with fears that turn into real monsters.