No sexual acts or actual nudity.

During their makeover to make them dress cooler, two teenage boys are shown stripped down to their boxer shorts.

A short moment when three teenage guys observe a female bum in shorts (with their mouths opened).

One teenage boy appears dressed only in underwear and shoes on the street, to fight a gang. The underwear is of such kind that basically his both butt cheeks are clearly visible.

A gang of juvenile delinquents bullies a guy and rips off the top of his clothing, so he is shirtless.

Two teenage boys are shown sitting by the fire stripped down to their underwear. Context is not sexual, they just got all wet in the previous scene and are trying to dry their clothes. The way they are shown is, however, frankly objectifying.

Several teenage boys (18 or so) are briefly shown reading some porn magazines. Some clearly pornographic photos can be spotted, although the camera does not focus on them.

Two men commit sexual harassment of a supposed woman on a train (she is actually a man in disguise). They flirt with her and lift her skirt so that her (men's) underwear is visible.

A gang of juvenile delinquents is shown terrorizing a young woman, her little brother and an ice cream seller until two heroes come to fight the gang.

Loads and loads of violence. Some played for comedy, some pretty serious.

A teacher with anger issues is hysterically yelling at his students and throwing things at them for no apparent reason.

A sadistic teacher puts pins on the seats of his students and then forces them to sit. They do and pretend they are not feeling any pain.

A young man is threatening another one to throw him down from a bridge.

A football match turns into a dirty fight with lot of face and stomach punches, kicks in the crotch etc.

A teenage boy (18 or so) is kidnapped, bound to a circular plate of wood and tortured off-screen. He has blood on face and seems to have some kind of eye injury.

A gang member punches a teenage girl in the face. His accomplice then cuts some of the girl's hair with his pocket knife.

A villain puts eating sticks into some guys' nostrils and then punches him in the face. The victim covers his face with his hand, while streams of blood are pouring from his nose.

Some people are pushed out of a moving train during one of the fight scenes.

Nothing too harsh, but some Japanese equivalents of words like "idiot", "stupid" or "shut up".

Quite a lot of alcohol drinking here and there. Most prominently, two teenage boys are shown being drunk after drinking really lot of sake.

No drug abuse.

Numerous scenes with cigarette smoking, even by teenage boys and girls.

A villain puts eating sticks into some guys' nostrils and then punches him in the face. The victim covers his face with his hand, while streams of blood are pouring from his nose.