What if Kovu kills Simba ? (FULL LION KING AU)

Hi dears! Another full au ^^ History: ENGLISH: Kovu remembers what he promised to his mother and he attacks Simba, Simba defends himself but finally Kovu throws him down the cliff, Simba is on the ground, without strength and he faints, Kovu leaves and Kiara appears. Kiara manages to revive Simba, but he only manages to say that it was Kovu, she doesn´t believe it was Kovu and Simba dies.... Nala sees Simba dead and she cries, Kiara wants to know the truth, she goes to look for Kovu, she finds Kovu with his sister Vitani. Kovu tells Vitani that he has killed Simba and Vitani is happy, they want to go tell their mother but Kiara appears and hits Kovu, she will never forgive Kovu for what he has done and she leaves... now the queen is Kiara ^^ Kovu decides to return to find out how the situation is in order to attack, Kiara kicks him out and he leaves. Kion returns after healing on the tree of life, but when Kion returns ... Simba is already dead .. Kovu i