A girl squeezes on a man's "joy-stick" (Offscreen). There's also several scenes with breast groping, head falling between breasts and references to an erection (This is also offscreen)

The girls bathe in a hot spring, covering their bodies only with a tiny towel. The towels aren't used anymore later in the show.

A male character often enters a room while females are switching clothes. Girls in very detailed underwear is seen, sometimes partially nude.

A male character have porn magazines hidden in his room.

A teacher always crashes his car into something when appearing. His head is always bloody when exiting his car.

A spirit seduces another boy, later tries to drown him.

Big amounts of blood sprays from the main characters nose when aroused, also sometimes when hit.

Some slapstick violence, not graphic.

"Pervert" is used frequently.

People getting drunk by sake.

One female character is always seen smoking.