
If you're looking for anime similar to X -Kai-, you might like these titles.
Aya, Omi, Ken and Yoji are four seemingly normal high school boys, who make up an elite assassin group known only as Weiss. The hits involve taking out corporate businessmen and corrupt politicians; however, trouble arises during a routine job, when Weiss clashes with a rival gang of assassins, Schwarz. With Schwarz in the way, they will reach the limits of their elite skills while trying to defeat their ultimate target: the Takatori family...
She’s a professional hitman. And he… is also a professional hitman. And she’s his target. Caught in a deadly game of cat-and-mouse, will she fall first… or will he?
Former roller-skating delinquent Tomoe Oujima has been scouted by stunt training school Green Ship. Her romance with trainer Kazusa Himuro is cut off when she discovers that the school is secretly training assassins and guerrilla fighters. An undercover cop asks her to warn one Iori Toujou that he's being targeted. When Tomoe reluctantly escapes from Green Ship and goes to warn Toujou, she finds that he's the adopted heir of a business magnate whose family wants to get rid of him, and Himuro's organization has been hired for that job. Tomoe vows to protect Iori from Kazusa.
In the present, murders are solved not by investigations, but by memories. Using the removed brain of a victim, the members of Forensic Investigation Office Section Nine examine the person's last thoughts to determine a suspect and motive in the case. Many oppose the violation of their loved ones' private and personal memories; but what they don't understand is that behind the scenes, even the investigators themselves are often conflicted with their deeds. Aoki Ikko is one such man who struggles to overcome his own mental doubts about his profession, while trying his best to take down those responsible for the crimes.
After Akira and his sister Kaori are falsely assumed dead in the accident that killed their parents, they are now seeking revenge on the organization responsible for the deaths, even if it means breaking the law. Weiss Kreuz is asked to stop this duo from committing their illegal activities, but Aya and Yoji are the only two who accept the mission. While carrying out their plans, the entire Weiss team finds themselves in the lair of death and deceit. Will the organization's ruthless plan mean the fall of Weiss?
There is trouble afoot at Koua Academy, home of an intellectually elite selection of students and teachers. The mysterious S-Class is not only the best of the best, but the superior force behind the actions and administration of the entire school. However, a recent chain of suicides has raised the attention of more than just the media. Weiss must band together for one last mission: to hunt down the evil mastermind responsible for the suicides and secret experiments at Koua Academy: Epitaph.
Tada is a young man on the fast track to the Cosmo Academy -- a school which only accepts applicants every three years, and whose entrance rate is under 1%. Having passed all the prior exams, the final test is drawing near: survive for 53 days aboard a derelict spaceship with only 9 other would-be cadets to assist you. But much to the dismay of Tada and his peers, their ship has acquired an eleventh member! Can the crew band together to survive the test? Or will sabotage simply destroy them from within...
Seiko (with her cat Gonbei) is on the trip to Nagasaki by train, where she met young guitarist, who was supposed to be dead according to newspaper. Things get complicated when Seiko discovered hanged woman in woods near Nagasaki – and it seems that it wasn't suicide, but murder.
A divergent continuation of the original Steins;Gate ending, Steins;Gate 0 explores an alternate worldline where Okabe abandons time travel. While attempting to forget past traumas and get his life back on track, he meets an AI that re-opens old wounds.
The country of Gazth-Sonika has been engaged in a civil war for more than a decade, struggling to stay afloat amidst attacks from the anti-government faction known as Garza. With lies and corruption seeping into the political food chain, a mysterious book in one young girl’s possession may be the only key to uncovering the truth and bringing an end to the war. This book, however, is sought by many. And when the invincible agent Madlax is hired to protect those in search of its truth, Gazth-Sonika dispatches a ruthless soldier to make sure that truth stays in the darkness...