Somewhat violent acts present in the series, but most of the time not graphic and implied. If you let your kids play the original visual novel, they should be fine.
A young woman attempts suicide by slitting her wrists (offscreen but bloody).
There is a brief battle scene (some blood).
A few scenes of violence in a fantasy context.
A young man is attacked by an invisible attacker, leaving a visible scar.
There is some sword fighting. At one point, a character is stabbed, and he bleeds heavily.
Several soldiers are propelled backwards by a mysterious force, and a couple are cut in half as they hit trees, leaving blood.
A woman cuts her hands on a sword (some blood).