Description :
Sudo Kaname suddenly gets involved in a death game through the mysterious mobile app "Darwin's Game." But later realizes that he's in for more than he's bargained for when he finds out that there's no way to "quit" the game.

Description :
A tale of one woman's revenge. After being sent to prison for attempted murder, Nami Matsushima struggles to survive torture from the guards and her cellmates, so that she can escape and take revenge on the man who's responsible for all her pain.

Description :

Kouya ni Kemono Doukokusu summary:
A boy, with a virus which unlocks the primal beast, desires forgotten memories.
(Source: Izumo no Ryuu)

Satsui no Senki summary:

Description :
In the early 20th century, a small republic found itself stuck between a kingdom and an empire - both of whom wanted to manipulate the republic to suit their own needs.

Trash. summary:
From MangaHelpers:

Kyochuu Rettou summary:
From tethysdust at MangaHelpers:

High school 2nd year, Amano Yukiteru, is a boy who has problem making friends. He thinks of himself as a bystander and will always write down everything he sees in a cell phone diary.
Abused like a slave by everyone at school, and battered by the single mother she lives with at home... That was the girl's, Endou Himeno's, everyday life. However one day a 'wasp' that stung the girl changed her fate. Her fate, and that of humanity...