Ga-Rei-Zero

The military fantasy series begins when a gate appears in Tokyo's Ginza district sometime in the 21st century. From the gate pours out monsters, knights from middle-age Europe, and other fantasy-like beings, and they kill many of the citizens of Tokyo. This event is known as the Ginza Incident. The government sends a small group of soldiers from the Japanese Self-Defense Forces (a replacement for Japan's military) to the alternate world beyond the gate. Led by otaku soldier Youji, they find that the villages in the world are being attacked by a dragon. An elf girl who is a survivor from the dragon's rampage joins the group in their travels across the dangerous new world. (Source: Anime News Network)

The 19th century — a world inhabited by vampires, golems, werewolves and other paranormal creatures. Immortal beauty and disembodied head Aya Rindo, along with half-human-half-demon "Demon Killer" Tsugaru Shunichi and her loyal maid Shizuku Hasei, travels through Europe as supernatural detective "The Cage User," solving supernatural mysteries while she searches for her lost body. (Source: Crunchyroll)

The suspense horror/dark fantasy story is set in Tokyo, which is haunted by mysterious "ghouls" who are devouring humans. People are gripped by the fear of these ghouls whose identities are masked in mystery. An ordinary college student named Kaneki encounters Rize, a girl who is an avid reader like him, at the café he frequents. Little does he realize that his fate will change overnight. (Source: Anime News Network)

In a land where corruption rules and a ruthless Prime Minister has turned the puppet Emperor's armies of soldiers, assassins and secret police against the people, only one force dares to stand against them: Night Raid, an elite team of relentless killers, each equipped with an Imperial Arm - legendary weapons with unique and incredible powers created in the distant past. Rescued from a fate worse than death by Night Raid, young Tatsumi is offered the chance to join their lethal ranks… but it's a deadly choice, as few can master an Imperial Arm and even fewer survive when two Arms go against each other in combat. The battle is on, and only the strongest will make it out alive. (Source: Sentai Filmworks)

In the year 2024, the world has collapsed. Grotesque monsters lurk amongst the ruins of Japan, while remaining people scrape together what they can to survive. Kiruko, an odd-job girl in Nakano, accepts a mysterious woman's dying wish to take a boy named Maru to a place called Heaven. (Source: Disney+, edited)

The Japan Self-Defense Forces are still looking for a way to combat the alien threat, but so far conventional weapons have had no effect. Maybe it’s time to try something unconventional. Meanwhile, Kadode Koyama and her best friend avidly track the aliens’ movements on social media and less enthusiastically study for college entrance exams. When the end of the world looms overhead, you learn to take things one step at a time. (Source: VIZ Media)

Takemichi Hanagaki is a freelancer that's reached the absolute pits of despair in his life. He finds out that the only girlfriend he ever had in his life that he dated in middle school, Hinata Tachibana, had been killed by the ruthless Tokyo Manji Gang. The day after hearing about her death, he's standing on the station platform and ends up being pushed over onto the tracks by a herd of people. He closes his eyes thinking he's about to die, but when he opens his eyes back up, he somehow had gone back in time 12 years. Now that he's back living the best days of his life, Takemichi decides to get revenge on his life by saving his girlfriend and changing himself that he'd been running away from. (Source: Crunchyroll)

It's the year 2019, thirty-one years have passed since the start of World War III. A top-secret child with amazing powers of the mind breaks free from custody and accidentally gets a motorcycle gang involved in the project. This incident triggers psychic powers within one of the gang members, Tetsuo, and he is taken by the army to be experimented on. His mind has been altered and is now on the path of war, seeking revenge on the society that once called him weak. (Source: FUNimation)