I Was Given a Donkey at the Beginning but You Want Me to Be Invincible Under the Immortals

Fantasy + system + invincibility + rebirth + no harem "Eeeeeeeeeeeeeeeee~" "I am Qingyang Little Donkey Emperor!" "Ten years of hard work as a donkey," "I'm being bullied all day long." [Ding dong... The ten-year period has come. Host, you are invincible in the world! There is no immortal in the world, no one is invincible in the world! After being bullied by Kun, let me give Kun a beating!