Since he was a child, Ryuuichi Naruhodou's dream was to become a defense attorney, protecting the innocent when no one else would. However, when the rookie lawyer finally takes on his first case under the guidance of his mentor Chihiro Ayasato, he realizes that the courtroom is a battlefield. In these fast paced trials, Ryuuichi is forced to think outside the box to uncover the truth of the crimes that have taken place in order to prove the innocence of his clients. Gyakuten Saiban: Sono Shinjitsu, Igi Ari! follows Ryuuichi as he tackles cases to absolve the falsely accused of the charges they face. It will not be easy—standing in his path is the ruthless Reiji Mitsurugi, a prosecutor who will stop at nothing to hand out guilty verdicts. With his back against the wall, the defense attorney must carefully examine both evidence and witness testimony, sifting through lies to solve the mystery behind each case. With a shout of objection!, the battle in the courtroom begins!

In a dystopian future, detective Shinjuurou Yuuki—known by some as the Defeated Detective—solves mysteries throughout Tokyo. Aided by his odd associate Inga, Shinjuurou's insight and ingenuity in cracking cases, particularly homicides, lead to numerous mysteries solved and culprits caught. However, his partner seems to have some other, more sinister intentions for the people they catch, and the truth of the assistant's identity and motivation is shrouded in secrecy.

Polka Shinoyama's life takes a dramatic turn after being forced to use his magical powers in public. His divination cabinet attracts the attention of several people hellbent on exposing his true nature as the reincarnation of Corpse God, a necromancer from the Other World. To make matters worse, Polka and his friends are framed for the murder of one of their protector's employees. When group member Takumi Kuruya is abducted by his former boss, Kuon Higuro, Polka sends his most trustworthy ally Misaki Sakimiya to their friend's rescue. It turns out that some of the recent incidents the group finds themselves caught up in are interconnected, and Polka needs to be twice as careful if he wants to make it out alive from this maze of pitfalls.

Jack Knife Edge Town is as edgy as it sounds, and it's up to Inferno Cop to stop that edge from tearing his city apart. He's both law and outlaw, dispensing ungodly justice to evildoers like a candy machine. Lowlifes, gangsters, and even hellspawn all infest Inferno Cop's hunting ground, but that's the good news. The bad news? Prior to the story, his family was brutally murdered by Southern Cross, a shady organization that made the worst mistake imaginable by doing so. Now, Inferno Cop's limiters have been removed and his mercy rung more dry than the entrails of his victims. Something is welling up in Inferno Cop's city, however, and soon he'll face the most daunting gauntlet of his life involving him literally falling into and escaping from Hell. A flaming head won't be enough to ward off the true evil that's rapidly approaching—Inferno Cop must call upon all his allies and his own wacky antics to conquer the trials that await him.