why kakashi killed rin

Kakashi’s Chidori took Rin’s life while he was protecting her against the Hidden Mist Shinobi. It was not in his will to kill his comrade. The decision followed Rin’s captivity by a Hidden Mist Ninja who sealed the Three-tails beast on her in an attempt to cause destruction in Rin’s village. Even though Rin was certain that her fate ... kakashi aesthetic