Some characters have crushes but very little physical content.

Innuendo is present.

Violence can get intense at times. Blood may be present in some fights.

A childs chest is cut open in one episode, later on we see on organ being transplanted into his/her father. Although it is only for a brief second and unable to make out what is is, it may be disturbing for younger audiences.

Bastard and other mild cursing can be said throughout the show.

Swearing is uncommon most of the time.

Mild

Very rarely shown.

There is a scene where somebody commits suicide by stabbing themselves in the neck, it doesn't cut away but the screen does darken. You can later see them laying with a small pool of blood around their neck.

Similar to Naruto the show can be emotionally intense at times.

In a scene, a young boy gets his arm and spine broken and his screams can be disturbing to a younger audience.