A man commits seppuku while standing up. He tears his stomach open with a sword and a profuse amount of blood begins gushing out. However the blood is hard to see because the scene is in the dark.
There is a beheading. The act isn't shown, but two bloody heads are seen on the floor. Brief but very graphic and disturbing.
A woman kills herself by cutting her throat, she isn't shown doing it but the aftermath is shown. In this scene, the woman is seen face down on the floor with a pool of blood under her neck. Bloody and intense.
A man has his hand stabbed into the floor with a sword. Not graphic.