Description:

Thought your life was bad? Sometimes, death is worse. There is no salvation, peace, nor god waiting to receive you into their care. But wait, a god? Maybe you are talking about that big black ball stuck in the room with you. Now you are thrown into a game, fighting green aliens and robot monsters for the chance to survive. When Kei Kurono is killed, he thus finds himself caught in such a game; a test of his skills, morals and will to survive. His life is not his own, his death spat and trampled upon over and over again. What happens if he does not listen? God knows. A word of warning: Gantz is not for the faint-hearted, but neither is it as simple as it looks. Gore, rape and violence is rampant, as are portrayals of greed, violence, and all the ugliness that one sees in society today. (Source: MAL Rewrite)

Description:

Suddenly high school student Subaru Natsuki has been summoned to another world on the way back from the convenience store. With the biggest crisis of his life being summoned to another world and no sign of the one who summoned him, things become worse when he is attacked. But when he is saved by a mysterious silver-haired girl with a fairy cat, Subaru cooperates with the girl to return the favor. When they finally manage to get a clue, Subaru and the girl are attacked and killed by someone. Subaru then awakens in the place he was summoned and notices he gained the ability "Returns by Death." A helpless boy that only has the ability to rewind time by dying. And beyond the despair can he save the girl from the fate of death? (Source: jCafe24)

Description:

Utsuro no Hako to Zero no Maria, or The Empty Box and The Zeroth Maria, tells the sinister story of Kazuki Hoshino, who is almost madly attached to his everyday life, and his antagonist Aya Otonashi, who suddenly transfers into his class—for the 13,118th time. She majestically announces to “break” him, without paying heed to anyone else around them. This is but the start of a dark roller coaster ride that turns the two against themselves, the people around them and the one who may be god. Read on as their relationship slowly changes and they go against their most basic values in their struggle against the world itself. (Source: MU)

Description:

Jean, the sole heir to a fortune and mansion, is stuck in an endless loop, repeating his brutal murder over and over again. As the 100th time comes, he brings forth incredible determination to fight back and save his servants from their needless murder. (Source: Camp Kijuju)

Description:

A gate to another dimension has burst open, and from it emerge gigantic invincible creatures that threaten all of humanity. Earth's only defense is a mysterious group of warriors who have co-opted the alien technology in order to fight back! (Source: Viz Media)