One of the cases involves solving the mystery of underaged girls being posted in public naked and decapitated. The body lacks major detail and seems to be more of a mannequin than a body, though the knowledge of this being an underaged girl can be unsettling.

The opening credits feature the main female character in a bikini in which the bra barely covers her breasts and the bottoms barely cover her buttocks. Both buttocks and breasts are visible.

The main female character is shown in the shower. Steam covers her buttocks, but it is lightly visible. Her front is not shown.

The main female character is shown in panty bottoms in which her buttocks are partially visible. She eats breakfast completely shirt and bra-less in which the side of her breast is slightly visible.

A woman wears a low dress that exposes cleavage. At one point, there is a close shot of her cleavage, which is smack in the screen.

A female student takes great enjoyment in drawing nude people who have died cruel deaths. She is very detailed in her depiction of breasts, but the genitalia remain undetailed.

A female student stands naked in her room. Her hair covers the nipples of her breasts, but the sides can still be seen. Her genitals are obscured by dark lighting.

Two girls sleep naked together in a bed. Nothing sexual is shown.

Many sex references throughout. But these are regarding the investigation of rape. There is no onscreen sex or nudity. However, there is one scene where a couple lie on a bed with bedsheets covering them, depicting that they had sex. In this scene also, only shirtless top of a man is seen. No female nudity.

A criminal wants to rape a girl wearing tight clothes, he mentions how "he's always wanted to have sex with a beautiful woman". The criminal walks to the woman and is caught by the police before anything occurs.

In autopsy room, a woman's body is seen. However her body is covered with a bedsheet and nothing is shown. No nudity

The lethal dominator is a gun that when used, can either have mild or violent results, as it can fire a round that paralyzes someone (if the number is between 100-299) or a round that graphically inflates someone until they explode, leaving only a puddle of blood and innards. (if the number is 300 and above).

Summary: season 1 & 2: very strong bloody violence and gory images - Season 3: moderate violence, infrequent bloody images and brief gore.

There are many fights with guns, fists, and knives, and there are several explosions.

When people are shot with the Lethal Dominator, they graphically expand and explode in a burst of blood and gore.

A murderer has her hand cut in half with scissors and her head is blown off with a shotgun (offscreen, but the head is shown flying backwards off the body and lands in a pool of water).

A criminal strangles his victims, then cuts apart their bodies and blends the limbs before draining the liquefied gore down shower drains (not shown, but the aftermath is discovered by police). The same criminal later on strangles a woman to death. Her face is shown closeup, gasping for air as she dies.

A man is stabbed to death by a masked assailant. The assailant then stabs a woman in the leg with a pen before killing her offscreen.

A woman is beaten to death with a hammer by a masked assailant. People nearby stand and stare at the spectacle before them while the woman slowly dies.

Several young girls are displayed nude as art projects, their heads are removed and used to cover their genitalia.

A criminal beats several other criminals to death with a metal baseball bat. He kills the last criminal by shoving the bat down his throat.

An old man is murdered offscreen. His bloody corpse is later shown, as police report that his hands have been removed and eyes gouged out.

A grenade goes off in a man's hand, leaving him bloody and fatally wounded. Another has his arm crushed by a shipping container, which he pulls out after struggling. The mangled arm is seen flopping about as he runs.

Quite a few uses of lesser profanity such as "damn", "sh*t" and "hell".

A few uses of insulting/offensive language such as "asshole/bastard" and "bitch/whore".

Both the subtitled version and the English dub have more or less the same amount of swearing.

A main character, Kogami, frequently smokes. A couple of other main characters frequently drink, and are shown drunk several times.

A man is briefly shown sitting in a cell and smoking from a bong.

An older man is seen smoking from a pipe.

A woman frequently smokes cigarettes.

Third season is incredibly less violent and cruel than seasons 1 & 2.

The show has dark and cruel undertones, while touching upon topics like child abuse, creative murder, teenage criminals, insanity, revenge, rape, corruption, and greed. There are numerous ruthless killings (a girl is also lit on fire in a short, but unpleasant scene) and crazed people howling for revenge and making "art" out of their killings.

The main villain (Makishima) is deplorably cruel, casually killing innocents (a recurring character in one upsetting scene), and manipulating teenagers and civilians into becoming murderers. Some would find him disturbing.

A criminal murders online celebrities and assumes their identities. This can be disturbing for people with specific phobias.

An older man smokes from a pipe which he said was crafted from the bones of a girl he murdered.

Many intense fight scenes, scene of explosions and gunfire, people manically laughing and slipping into hysteria/dementia, and all-round hectic and violent scenes.