Kakashi Hatake

A young ninja with spiky brown hair and a headband is attacked by an older ninja with white hair and a face mask, who stabs him in the chest with a kunai; the younger ninja falls to the ground as the older one stands over him, then the scene cuts to a close-up of the older ninja's eye, which is revealed to be a Sharingan, before cutting to a close-up of the younger ninja's eye, which is revealed to be a Rinnegan, and then the scene cuts to a close-up of the younger ninja's face, which is shown to be in pain. The setting is a forest.