Mature Horror Stories
The following horror series in this collection is suitable for 18 and above. Why, you ask? Not only it shows graphic gore and violence that gives you the chills, it also shows mature and adult content that you wouldn't want to be caught reading in public. Nude girls covered in blood, people having sex at the height of their fear--these are mature horror stories.

Ingoshima
Yoshiki Tanaka, 天下雌子

Goblin Slayer
Kumo Kagyu, Kousuke Kurose

Dead Tube
Mikoto Yamaguchi, Touta Kitakawa

Everyone's Toy
Yasuyuki Ishii

Evil Indecent Beings Inhabit This Island
Tsumoi Hara

Peephole
Larsson

Gachirin ni Kirisaku
Tomoo Maruyama

Battle Royale
Masayuki Taguchi, Koushun Takami

Kibou no Shima
Hiroyuki Tamakoshi, Hiroya Moriyasu

Infection
Toru Oikawa